What happened to Chloe Hoson?
Watch the full documentary exclusively on 7PLUS here. Precisely what happened the day an innocent young girl was killed inside cabin number 27 at the old Lansvale Caravan Park, in Sydneys south west, is unclear. Only two people were there. One of them is dead. The other claims he was hearing voices telling him to kill, suffering a Schizophrenic episode. Timothy Kosowicz has admitted he suffocated five-year-old Chloe Hoson. Chloe Hoson was just five years old when Timothy Kosowicz murdered her. Credit: Seven  He has a detailed memory of what he did and knew he needed to cover his tracks, lying to the police for several days. But a court eventually found him not guilty due to mental illness. Timothy Kosowicz admitted to killing Chloe, but has not spent a day behind bars. Credit: Seven  Years later, Chloes family heard rumours that Kosowicz, who never did jail time for her murder, was a free man. Allowed to walk the streets unsupervised. They asked 7NEWS for help, and a major investigation was launched, her family fearing he could strike again. Chloes mother in the only interview she's ever given on the tragic murder of her daughter. Credit: Seven  What Happened To Chloe is an in-depth investigation, unlike any other. Four years in the making, youll hear exclusively from several family members as they break their silence and share their extraordinary stories for the first time. Chloes murderer is spotted by 7NEWS freely walking the streets. Credit: Seven  We track down the child killer, living amongst schools and childcare centres in the suburbs. All the compelling evidence is laid bare as detectives and the judge who oversaw the horrific case, share their insights into the tragedy that none could ever forget. Watch the full documentary exclusively on 7PLUS here.