diff --git a/json-schema/schema.json b/json-schema/schema.json
index 10b1b447d87..df1dee8fc49 100644
--- a/json-schema/schema.json
+++ b/json-schema/schema.json
@@ -4,6 +4,37 @@
         "artifacts": {
             "items": {
                 "properties": {
+                    "found-by": {
+                        "items": {
+                            "type": "string"
+                        },
+                        "type": "array"
+                    },
+                    "locations": {
+                        "items": {
+                            "anyOf": [
+                                {
+                                    "type": "string"
+                                },
+                                {
+                                    "properties": {
+                                        "layer-index": {
+                                            "type": "integer"
+                                        },
+                                        "path": {
+                                            "type": "string"
+                                        }
+                                    },
+                                    "required": [
+                                        "layer-index",
+                                        "path"
+                                    ],
+                                    "type": "object"
+                                }
+                            ]
+                        },
+                        "type": "array"
+                    },
                     "metadata": {
                         "properties": {
                             "architecture": {
@@ -425,27 +456,6 @@
                     "name": {
                         "type": "string"
                     },
-                    "sources": {
-                        "items": {
-                            "properties": {
-                                "found-by": {
-                                    "type": "string"
-                                },
-                                "locations": {
-                                    "items": {
-                                        "type": "string"
-                                    },
-                                    "type": "array"
-                                }
-                            },
-                            "required": [
-                                "found-by",
-                                "locations"
-                            ],
-                            "type": "object"
-                        },
-                        "type": "array"
-                    },
                     "type": {
                         "type": "string"
                     },
@@ -454,8 +464,9 @@
                     }
                 },
                 "required": [
+                    "found-by",
+                    "locations",
                     "name",
-                    "sources",
                     "type",
                     "version"
                 ],
@@ -520,4 +531,4 @@
         "artifacts"
     ],
     "type": "object"
-}
+}
\ No newline at end of file
diff --git a/syft/presenter/json/artifact.go b/syft/presenter/json/artifact.go
new file mode 100644
index 00000000000..c4a218c77db
--- /dev/null
+++ b/syft/presenter/json/artifact.go
@@ -0,0 +1,31 @@
+package json
+
+import (
+	"github.com/anchore/syft/syft/pkg"
+	"github.com/anchore/syft/syft/scope"
+)
+
+type Artifact struct {
+	Name      string      `json:"name"`
+	Version   string      `json:"version"`
+	Type      string      `json:"type"`
+	FoundBy   []string    `json:"found-by"`
+	Locations Locations   `json:"locations,omitempty"`
+	Metadata  interface{} `json:"metadata,omitempty"`
+}
+
+func NewArtifact(p *pkg.Package, s scope.Scope) (Artifact, error) {
+	locations, err := NewLocations(p, s)
+	if err != nil {
+		return Artifact{}, err
+	}
+
+	return Artifact{
+		Name:      p.Name,
+		Version:   p.Version,
+		Type:      string(p.Type),
+		FoundBy:   []string{p.FoundBy},
+		Locations: locations,
+		Metadata:  p.Metadata,
+	}, nil
+}
diff --git a/syft/presenter/json/document.go b/syft/presenter/json/document.go
new file mode 100644
index 00000000000..b04c627b2a1
--- /dev/null
+++ b/syft/presenter/json/document.go
@@ -0,0 +1,40 @@
+package json
+
+import (
+	"fmt"
+
+	"github.com/anchore/syft/syft/pkg"
+	"github.com/anchore/syft/syft/scope"
+)
+
+type Document struct {
+	Artifacts []Artifact `json:"artifacts"`
+	Image     *Image     `json:"image,omitempty"`
+	Directory *string    `json:"directory,omitempty"`
+}
+
+func NewDocument(catalog *pkg.Catalog, s scope.Scope) (Document, error) {
+	doc := Document{
+		Artifacts: make([]Artifact, 0),
+	}
+
+	srcObj := s.Source()
+	switch src := srcObj.(type) {
+	case scope.ImageSource:
+		doc.Image = NewImage(src)
+	case scope.DirSource:
+		doc.Directory = &s.DirSrc.Path
+	default:
+		return Document{}, fmt.Errorf("unsupported source: %T", src)
+	}
+
+	for _, p := range catalog.Sorted() {
+		art, err := NewArtifact(p, s)
+		if err != nil {
+			return Document{}, err
+		}
+		doc.Artifacts = append(doc.Artifacts, art)
+	}
+
+	return doc, nil
+}
diff --git a/syft/presenter/json/image.go b/syft/presenter/json/image.go
new file mode 100644
index 00000000000..a40aa118393
--- /dev/null
+++ b/syft/presenter/json/image.go
@@ -0,0 +1,42 @@
+package json
+
+import "github.com/anchore/syft/syft/scope"
+
+type Image struct {
+	Layers    []Layer  `json:"layers"`
+	Size      int64    `json:"size"`
+	Digest    string   `json:"digest"`
+	MediaType string   `json:"media-type"`
+	Tags      []string `json:"tags"`
+}
+
+type Layer struct {
+	MediaType string `json:"media-type"`
+	Digest    string `json:"digest"`
+	Size      int64  `json:"size"`
+}
+
+func NewImage(src scope.ImageSource) *Image {
+	// populate artifacts...
+	tags := make([]string, len(src.Img.Metadata.Tags))
+	for idx, tag := range src.Img.Metadata.Tags {
+		tags[idx] = tag.String()
+	}
+	img := Image{
+		Digest:    src.Img.Metadata.Digest,
+		Size:      src.Img.Metadata.Size,
+		MediaType: string(src.Img.Metadata.MediaType),
+		Tags:      tags,
+		Layers:    make([]Layer, len(src.Img.Layers)),
+	}
+
+	// populate image metadata
+	for idx, l := range src.Img.Layers {
+		img.Layers[idx] = Layer{
+			MediaType: string(l.Metadata.MediaType),
+			Digest:    l.Metadata.Digest,
+			Size:      l.Metadata.Size,
+		}
+	}
+	return &img
+}
diff --git a/syft/presenter/json/location.go b/syft/presenter/json/location.go
new file mode 100644
index 00000000000..19f1cbb3145
--- /dev/null
+++ b/syft/presenter/json/location.go
@@ -0,0 +1,46 @@
+package json
+
+import (
+	"fmt"
+
+	"github.com/anchore/syft/syft/pkg"
+	"github.com/anchore/syft/syft/scope"
+)
+
+type Locations interface{}
+
+type ImageLocation struct {
+	Path       string `json:"path"`
+	LayerIndex uint   `json:"layer-index"`
+}
+
+func NewLocations(p *pkg.Package, s scope.Scope) (Locations, error) {
+	srcObj := s.Source()
+	switch src := srcObj.(type) {
+	case scope.ImageSource:
+		locations := make([]ImageLocation, len(p.Source))
+		for idx := range p.Source {
+			entry, err := src.Img.FileCatalog.Get(p.Source[idx])
+			if err != nil {
+				return nil, fmt.Errorf("unable to find layer index for source-idx=%d package=%s", idx, p.Name)
+			}
+
+			artifactSource := ImageLocation{
+				LayerIndex: entry.Source.Metadata.Index,
+				Path:       string(p.Source[idx].Path),
+			}
+
+			locations[idx] = artifactSource
+		}
+		return locations, nil
+
+	case scope.DirSource:
+		locations := make([]string, len(p.Source))
+		for idx := range p.Source {
+			locations[idx] = string(p.Source[idx].Path)
+		}
+		return locations, nil
+	default:
+		return nil, fmt.Errorf("unable to determine source: %T", src)
+	}
+}
diff --git a/syft/presenter/json/presenter.go b/syft/presenter/json/presenter.go
index d703f95c24c..206178ed623 100644
--- a/syft/presenter/json/presenter.go
+++ b/syft/presenter/json/presenter.go
@@ -2,7 +2,6 @@ package json
 
 import (
 	"encoding/json"
-	"fmt"
 	"io"
 
 	"github.com/anchore/syft/syft/pkg"
@@ -21,93 +20,10 @@ func NewPresenter(catalog *pkg.Catalog, s scope.Scope) *Presenter {
 	}
 }
 
-type document struct {
-	Artifacts []artifact `json:"artifacts"`
-	Image     *image     `json:"image,omitempty"`
-	Directory *string    `json:"directory,omitempty"`
-}
-
-type image struct {
-	Layers    []layer  `json:"layers"`
-	Size      int64    `json:"size"`
-	Digest    string   `json:"digest"`
-	MediaType string   `json:"media-type"`
-	Tags      []string `json:"tags"`
-}
-
-type layer struct {
-	MediaType string `json:"media-type"`
-	Digest    string `json:"digest"`
-	Size      int64  `json:"size"`
-}
-
-type source struct {
-	FoundBy   string   `json:"found-by"`
-	Locations []string `json:"locations"`
-}
-
-type artifact struct {
-	Name     string      `json:"name"`
-	Version  string      `json:"version"`
-	Type     string      `json:"type"`
-	Sources  []source    `json:"sources"`
-	Metadata interface{} `json:"metadata,omitempty"`
-}
-
 func (pres *Presenter) Present(output io.Writer) error {
-	doc := document{
-		Artifacts: make([]artifact, 0),
-	}
-
-	srcObj := pres.scope.Source()
-	switch src := srcObj.(type) {
-	case scope.ImageSource:
-		// populate artifacts...
-		tags := make([]string, len(src.Img.Metadata.Tags))
-		for idx, tag := range src.Img.Metadata.Tags {
-			tags[idx] = tag.String()
-		}
-		doc.Image = &image{
-			Digest:    src.Img.Metadata.Digest,
-			Size:      src.Img.Metadata.Size,
-			MediaType: string(src.Img.Metadata.MediaType),
-			Tags:      tags,
-			Layers:    make([]layer, len(src.Img.Layers)),
-		}
-
-		// populate image metadata
-		for idx, l := range src.Img.Layers {
-			doc.Image.Layers[idx] = layer{
-				MediaType: string(l.Metadata.MediaType),
-				Digest:    l.Metadata.Digest,
-				Size:      l.Metadata.Size,
-			}
-		}
-
-	case scope.DirSource:
-		doc.Directory = &pres.scope.DirSrc.Path
-	default:
-		return fmt.Errorf("unsupported source: %T", src)
-	}
-
-	for _, p := range pres.catalog.Sorted() {
-		art := artifact{
-			Name:     p.Name,
-			Version:  p.Version,
-			Type:     string(p.Type),
-			Sources:  make([]source, len(p.Source)),
-			Metadata: p.Metadata,
-		}
-
-		for idx := range p.Source {
-			srcObj := source{
-				FoundBy:   p.FoundBy,
-				Locations: []string{string(p.Source[idx].Path)},
-			}
-			art.Sources[idx] = srcObj
-		}
-
-		doc.Artifacts = append(doc.Artifacts, art)
+	doc, err := NewDocument(pres.catalog, pres.scope)
+	if err != nil {
+		return err
 	}
 
 	enc := json.NewEncoder(output)
diff --git a/syft/presenter/json/presenter_test.go b/syft/presenter/json/presenter_test.go
index 23c805ef00c..537df1d29ec 100644
--- a/syft/presenter/json/presenter_test.go
+++ b/syft/presenter/json/presenter_test.go
@@ -24,11 +24,19 @@ func TestJsonDirsPresenter(t *testing.T) {
 		Name:    "package-1",
 		Version: "1.0.1",
 		Type:    pkg.DebPkg,
+		FoundBy: "the-cataloger-1",
+		Source: []file.Reference{
+			{Path: "/some/path/pkg1"},
+		},
 	})
 	catalog.Add(pkg.Package{
 		Name:    "package-2",
 		Version: "2.0.1",
 		Type:    pkg.DebPkg,
+		FoundBy: "the-cataloger-2",
+		Source: []file.Reference{
+			{Path: "/some/path/pkg1"},
+		},
 	})
 
 	s, err := scope.NewScopeFromDir("/some/path", scope.AllLayersScope)
@@ -77,7 +85,8 @@ func TestJsonImgsPresenter(t *testing.T) {
 		Source: []file.Reference{
 			*img.SquashedTree().File("/somefile-1.txt"),
 		},
-		Type: pkg.DebPkg,
+		Type:    pkg.DebPkg,
+		FoundBy: "the-cataloger-1",
 	})
 	catalog.Add(pkg.Package{
 		Name:    "package-2",
@@ -85,7 +94,8 @@ func TestJsonImgsPresenter(t *testing.T) {
 		Source: []file.Reference{
 			*img.SquashedTree().File("/somefile-2.txt"),
 		},
-		Type: pkg.DebPkg,
+		Type:    pkg.DebPkg,
+		FoundBy: "the-cataloger-2",
 	})
 
 	s, err := scope.NewScopeFromImage(img, scope.AllLayersScope)
diff --git a/syft/presenter/json/test-fixtures/snapshot/TestJsonDirsPresenter.golden b/syft/presenter/json/test-fixtures/snapshot/TestJsonDirsPresenter.golden
index d7ebd76f8f1..fafcf58eb3c 100644
--- a/syft/presenter/json/test-fixtures/snapshot/TestJsonDirsPresenter.golden
+++ b/syft/presenter/json/test-fixtures/snapshot/TestJsonDirsPresenter.golden
@@ -4,13 +4,23 @@
    "name": "package-1",
    "version": "1.0.1",
    "type": "deb",
-   "sources": []
+   "found-by": [
+    "the-cataloger-1"
+   ],
+   "locations": [
+    "/some/path/pkg1"
+   ]
   },
   {
    "name": "package-2",
    "version": "2.0.1",
    "type": "deb",
-   "sources": []
+   "found-by": [
+    "the-cataloger-2"
+   ],
+   "locations": [
+    "/some/path/pkg1"
+   ]
   }
  ],
  "directory": "/some/path"
diff --git a/syft/presenter/json/test-fixtures/snapshot/TestJsonImgsPresenter.golden b/syft/presenter/json/test-fixtures/snapshot/TestJsonImgsPresenter.golden
index 279f2a8d3ac..15d20cb521c 100644
--- a/syft/presenter/json/test-fixtures/snapshot/TestJsonImgsPresenter.golden
+++ b/syft/presenter/json/test-fixtures/snapshot/TestJsonImgsPresenter.golden
@@ -4,12 +4,13 @@
    "name": "package-1",
    "version": "1.0.1",
    "type": "deb",
-   "sources": [
+   "found-by": [
+    "the-cataloger-1"
+   ],
+   "locations": [
     {
-     "found-by": "",
-     "locations": [
-      "/somefile-1.txt"
-     ]
+     "path": "/somefile-1.txt",
+     "layer-index": 0
     }
    ]
   },
@@ -17,12 +18,13 @@
    "name": "package-2",
    "version": "2.0.1",
    "type": "deb",
-   "sources": [
+   "found-by": [
+    "the-cataloger-2"
+   ],
+   "locations": [
     {
-     "found-by": "",
-     "locations": [
-      "/somefile-2.txt"
-     ]
+     "path": "/somefile-2.txt",
+     "layer-index": 1
     }
    ]
   }