Husband applies for $280,000 in life insurance policies then claims his wife’s death was an accident. — Twenty-seven years after 25-year-old Mona Lisa Abney was found bruised, raped, and strangled in her hotel room, her husband turned himself in to the police for murder. The Fairfax County Homicide Cold Case Unit decided to take another look at the case, reinterviewing many of the previous witnesses and going…