Some back story (I’ll make up names to keep track): 

I am a 29-year-old dude from the east coast. I have three half-brothers, Adam 40, Sam 36 and Jeff 35. We grew up with an alcoholic and somewhat abusive father and all of us have different mothers who have more or less never been in the picture. Growing up wasn’t easy and all we really had was each other. Four very different brothers all with our own philosophies on how to get through life. 

As the youngest of the bunch I had the most support from my brothers. Adam, as the oldest, felt very protective of me and would do anything to keep me “on track”. This included beating me up if I did something I shouldn’t do. I have always loved my brother, and his “rough” ways have kept me off drugs and out of a criminal career. My two other brothers are both struggling with addiction and wrap sheets.

Now Adam has a 13-year-old son, Trevor. History repeats itself and his mother is off doing god know what. Adam is really trying to make a life for him and his son and I am proud of how he has changed his life to support his kid. However I recently caught Trevor shoplifting from a local store (the owner is a friend of mine and gave me a call rather than the cops). I picked Trevor up and let him crash at my place for the night and I have not yet told my brother about what happened. I know he only wants the best for his son, but at the same time I know how he treated me when I would do something like this as a kid. At the same time he is his father and should know when he is fucking up.

AITA for not telling my brother that his son is shoplifting?