(KMZA)--A Lecompton man was stand trial on charges in connection with a fatal wreck last August in Pottawatomie County that claimed the life of a Wamego man and his 7-year-old son.

Following a preliminary hearing last week, a judge found there was sufficient evidence for 45-year-old Mark Stanwix to be bound over on two counts of involuntary manslaughter, three counts of aggravated battery and one count of interference with law enforcement.

According to court documents, arraignment was set for July 21 in Pottawatomie County District Court.

The Kansas Highway Patrol says Stanwix was driving a semi truck on U.S. 24 Highway August 10, 2022, just east of Wamego, when he rear-ended two vehicles.

Killed in the wreck was 37-year-old Randy Tinkel. His 7-year-old son, Korbin Tinkel, died from injuries three days later. Three others—including Tinkel's wife and two-year-old son, were injured in the wreck.

Stanwix remains free on a $25,000 bond.