 Initially, they weren't able to arrest him, but in May 1997, he was detained for possession of a weapon, a violation of his parole.In 1999, when authorities were fighting in court to keep Runge in prison under the Sexually Violent Persons Act, citing his lack of remorse for the 1987 rape.While he was still in prison, DNA analysis linked him to the Gutierrez-Muniz murders, after which Runge confessed to the other five slayings.