Rhonda Plew, Ronald Hawkinson.

Des Moines Police say a second suspect has been arrested in a double murder of two men Thursday evening. The shooting happened at Seibert Trucking.

Police say 30-year-old Serif Hidic and 49-year-old Robert Smoot were both found dead at the southeast Des Moines property. It’s unclear what led to the shooting , although the dispatcher who answered a 911 call heard an argument and then gunfire.

Thirty-nine-year-old Ronald Hawkinson, who was tracked down in Winterset, and is charged with two counts of first degree murder. Forty-one-year-old Rhonda Plew is charged with being  an “accessory after the fact.”

Radio Iowa