Skyler Nelson is the neighbor's son of Margaret Sanders and her foster sons, Shawn and David Cook and the murder victim Charlie Sanders. His father Edward Nelson is identified as the killer during a sexual assault gone wrong. Skyler watches his father's arrest and he and his mother comfort each other. Agent Seeley Booth later suggests that Edward most likely abused Skyler. Booth tells Doctor Temperance Brennan that he has reported the likely abuse to Skyler to Child Protective Services and is endeavoring to get Skyler the help he needs to overcome the trauma he has endured.