No extant reports indicate that either Griffin or Moore were examined by a pathologist. Contemporaneous local rumor had it that a sexual assault had also occurred, but modern reports refute this claim. In response to the murders, police launched a citywide investigation along with the Texas and Arkansas city police, the Department of Public Safety, Miller and Cass County sheriffs' departments, and the FBI. By March 27, local police had interviewed around fifty to sixty witnesses, including patrons and employees of Club Dallas, a local bar near the crime scene. By March 30, police had posted a $500 reward in an effort to gain any new information on the Griffin and Moore case that would lead to the arrest and conviction of the person or persons responsible; however, the rewards yielded no fruitful clues or suspects, instead producing over 100 false leads.