 Another clue that supports she is the killer is that her children's names are Adam, Ashley, and Brendan.At each crime scene, stickers with two As and one B often show up – similar to her children's names.Other clues include her job as a maid – in one of the murders, a maid was killed and the bed in which two guests were having sex in was cleaned up and done – and that she was late to or missed work on the times of the murders.