In anger, he struck again this time on teenager Steph Dean (Carley Stenson) leaving her there for dead but the crime was witnessed and he was followed by his mother Linda. After a confrontation with his mother, Toby lashed out pushing her down the stairs. This had left Toby astonished of what he'd done, and when Ellie arrived the pair managed to make the incident look more like an accident.
In a state of fury, he assaulted Steph Dean once more, this time causing severe harm, but his mother Linda observed the event and pursued him. Following a confrontation with his mother, Toby's emotions got the better of him, and he pushed her down the stairs, leaving him perplexed by what had transpired, and when Ellie arrived, they collaborated to make it seem like an accident.