Since
''Identifying the recipient of that call and interviewing him revealed that he was not the killer but hinted that the true murderer is a carpenter driving a Lamborghini. Joining the vehicle registry with the person table (filtering for occupation "Carpenter" and car model "Lamborghini") yielded one candidate. ''

The caller_id at the call with id 163 which is resulted by this query
''SELECT *
FROM phone_records
WHERE recipient_id = 58''

Should be 97 and not 133.