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In the episode, Donald comes home and greets Linda, who asks him if he picked up milk. When Donald replies that he didn't, Linda berates him. The two then have breakfast with Jeffrey, and when Linda attempts to give Jeffrey his medication, to which he believes it isn't, she tries to get Donald to appeal to his son, but he doesn't. The two later have a short argument over it, and Linda warns him of what happens when he doesn't take his medication before leaving. Eventually, Linda tells Donald that Jeffrey needs another victim. At first, Donald thinks it's too soon, but then agrees after Linda asks him if he wants his son to be happy. Donald then calls in not a prostitute, but a sexual surrogate. He pays her and escorts her to Jeffrey's room. The following night, the girl stumbles out of Jeffrey's room and in front of Donald and Linda, having been stabbed, and pleads for help, but Donald drags her away and kills her. The next morning, Donald and Linda clean up the girl's blood, and Do...

Since Donald only killed one person, the term "M.O." is somewhat misused. When he killed Julie Harmon, he killed her with fatal blunt-force trauma. When hunting for victims for his son, he would stake out in zones frequented by prostitutes to search for potential victims of Jeffrey's, always parking in the loading zones and using a van. Whenever he found a prostitute, he would pay her $250 and then take her to Jeffrey, who would kill her. Donald and Linda would then dispose of the bodies in parks and pose them remorsefully. He later intended to kill Jeffrey by shooting him with a revolver, but relented from doing so.