The screenplay by John Kostmayer is loosely based on an attempted murder that happened in 1983, in Allentown, Pennsylvania, where Frances Toto repeatedly tried to kill her husband, Anthony.
Djelomično se temelji na pokušaju ubojstva koji se dogodio 1984. u Allentownu, Pennsylvania, kad je Frances Toto u više navrata pokušala ubiti svog muža, Anthonyja.