Three men arrested in connection with bodies found

NEWNAN - Authorities have arrested three men in connection with a gruesome discovery in the back of a pickup truck on Interstate 85 in Coweta County. <br> <br> Three Hispanic men were found April 29th buried under potting soil in the bed of the truck. The men died of gunshot wounds, investigators said. <br> <br> Michael Johnson, 47, and Lequanan Parks, 23, were each charged with three counts of concealing a death. They remained in the Coweta County Jail after being charged on Friday. <br> <br> Earlier last week, authorities arrested Gary Simpson, 39, of Atlanta on the same charges. His house was the last known place the men were seen. They had been doing groundskeeping. <br> <br> Coweta County Sheriff Mike Yeager said investigators searched Simpson&#39;s house because they felt, ``there was enough probable cause the actual murders took place there.&#39;&#39; <br> <br> In addition to county officials, agents from the Georgia Bureau of Investigation, Newnan Police department, Atlanta Police Department and Coweta County District Attorney&#39;s Office searched the property. <br> <br> Several empty bags of the same brand of potting soil that covered the victims were found during the search. <br> <br> No motive has been established in the killings.