Karmein's body was discovered at Edgars Creek in the suburb of Thomastown on 9 April 1992; the prime suspect for her abduction and murder is an unidentified serial child rapist known as "Mr. Cruel", who had abducted and sexually assaulted a minimum of three prepubescent and adolescent girls in circumstances markedly similar to Karmein in the years prior to her abduction.
On April 9, 1992, Karmein's body was found at Edgars Creek in Thomastown. The prime suspect in her murder is a serial child rapist known as "Mr. Cruel", who had previously abducted and sexually assaulted multiple young girls with similar circumstances to Karmein's prior to her abduction.