A 29-year-old Atwater man was killed on southbound Highway 99 near the Atwater Boulevard exit Tuesday morning, the Merced County Sheriff's Office confirmed.
The man was hit by a big rig at about 10:48 a.m., Sgt. Kevin Blake said. Investigators believe the incident was a possible suicide.
Monica Velez: 209-385-2486, @monicavelez21