Questioning a friend request!

The other night while my phone was in the living room and I was in the bathroom it lite up No noise cuz I have notifications off after 9:30pm well when I cone out my phone was moved and my husband who was drinking and was drunk already looked all pissed and like I did something asked me who this person was who friend requested me on Facebook and I told him to finish the name cuz I know who he was talking about and he right away started bitching at me saying that the name he read he don’t know the dude and I showed him and he right away said that’s not who it was and I said test it was the person has their first middle and last name on their profile but he right away going accuse me of something but he’s the one that’s been caught texting AND SEXTING other women!! The dilute was one of his nieces ex boyfriend and her baby daddy who cleaned up his like and had been sober for 4 yrs trying g to make right for his son since the mother (My husband niece) isn’t in the picture really at all she is a drug addict and moved out of state.