 Cumber, who had introduced Marshall to McKinnon, was convicted as an accomplice and sentenced to life in prison (he was released in 2006).McKinnon pleaded guilty to the charge of conspiracy and was sentenced to five years in prison (he served one).He testified that he was hired by Marshall to kill his wife and that he and the gunman, Larry Thompson, had lain in wait for the Marshalls at the rest stop, where Thompson had committed the murder.