Not asking question for myself. He obviously didn't turn friend of friend in. However, not sure if he reported guns missing or not. What I am saying is he might have reported them missing and local LEO may have come to family members house, dusted for prints and they are now in database.
Friend of a friend has a problem. Six years ago he stole 2 guns from a family member and sold them. A year passes and the family member discovers them gone and confronts friend of friend. To make a long story short Family member blackmails friend of friend for $$$$ not to turn him in. Family...