 Michael makes amends with his family and they start living together again after returning to Los Santos . Meanwhile , Trevor discovers that a former Ludendorff heist accomplice , Brad Snider , was not in prison as he was led to believe , but killed during the heist and buried in the grave marked for Michael . Trevor 's feelings of betrayal cause friction within the group and threaten to undermine their Union Depository plans . When Michael and Norton , both of whom are betrayed by Haines , are caught in a Mexican standoff between the FIB , IAA and private security firm Merryweather , Trevor aids in their escape , holding that only he has the right to kill Michael . Despite not forgiving Michael , Trevor still wants to perform the Union Depository heist ; the duo agree to part ways afterwards . 
