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 fit of rage, he attacked Steph Dean again, this time severely injuring her, but the incident was witnessed and his mother Linda followed him. After a confrontation with his mother, Toby lost control and pushed her down the stairs, leaving him shocked by what had happened, and when Ellie arrived, they managed to make it look like an accident.