The stop came after the deputy identified a vehicle believed to have been linked to a disturbance call at the Gum Springs Road residence. The incident happened at the intersection of State Highway 27 and Slow Fork Road near Chickalah in Yell County.
Two women were found dead outside a rural home nearby, Arkansas State Police said.
A man suspected in the deaths of three people in Yell County, including a sheriff's deputy, was arrested "without incident" after a five-hour standoff, a state police spokesman said. Sheriff Bill Gilkey said at the news conference. Sadler says that deputy was fatally shot during the traffic stop. A short time later a driver passing the scene notified local law enforcement that Lt. Mainhart had been shot. The suspect's father said the woman, who was apparently being held hostage, is Bowden's girlfriend.
Mainhart had spent five years in the Yell County Sheriff's Office, and has been a law enforcement officer for more than 20 years, according to an ASP press release. The graduate of Russellville High School he had also worked for Arkansas Tech and as security police in the U.S. Air Force, the WMFD said.
Police were dispatched to the address at Gum Springs where they found two female bodies outside the home. During the traffic stop, Lt. Mainhart was shot and later died from his injuries.
The suspect, James Michael Bowden, 32, took shelter in the home, about 5 miles southwest of the small city of Dardanelle, police said.
Arkansas State Police is assisting local law enforcement in the search.
YELL COUNTY, Ark. - A sheriff's deputy is reported as one of three people shot in this morning's incident in Chickalah. "Our thoughts, prayers and gratitude are with the Mainhart family and all those who put their own lives in danger to serve and protect", said Gov. Asa Hutchinson. Mainhart was responding to a call about a disturbance at the home near Dardanelle, which is about 65 miles (105 kilometers) west of Little Rock.