Nobody has been able to find Gavin and provide proof of his location and existence. One of the most popular theories is that Gavin is the boy locked in the Rhodes gunsmith's basement – this would be quaint, especially if you've met the concerned friend in Rhodes.

Is Gavin ever found rdr2?

Interactions. Gavin himself is not seen in the game, however, his friend Nigel can be encountered on numerous occasions throughout the game. He tells the player about how he woke up one morning to find that his best friend, Gavin, had disappeared and still has not been located.

What happens if you kill the guy looking for Gavin?

If you hogtie/kill Gavin's Friend (prefer hogtieing or knocking out) and loot him you discover a letter. The contents in the letter reveal that Gavin's friend name is Nigel.