(WISH) — The suspect in the 2017 murders of Abigail “Abby” Williams and Liberty “Libby” German is not cooperating with authorities, a source tells News 8.Investigators at 10 a.m. Monday will provide an update on the two girls’ murders, Indiana State Police said Friday.Authorities have not yet publicly shared the name of the person arrested.Eleven days after the discovery of the murders, state police served a search warrant while investigating a social media that police say has a connection to the Delphi victims.While investigators linked Kline to the account, he has not been charged for the murders of Abby and Libby."