The policeman had no alibi for the time of Thurgood-Dove's killing and, indeed, failed a polygraph test on 29 April 2000. However, police could not uncover sufficient evidence to charge the man.
The officer had no explanation for being present at the scene of Thurgood-Dove's murder and, as it transpired, failed a lie detector test on April 29, 2000. Nevertheless, the authorities were unable to collect sufficient proof to bring him to justice.