(KNZA)--Additional charges have been filed in Doniphan County against a St. Joseph area man following the recovery of a body in May from the Missouri River.

An amended complaint was filed this week in Doniphan County District Court charging 40-year-old Christopher Colhour with first-degree murder and kidnapping.

Colhour had initially been charged with felony theft.

The body of 64-year-old St. Joseph resident Daniel Purvis was recovered from the Missouri River, south of St. Joseph, on May 27th after it was spotted by a citizen and following a week long search.

The search was launched May 22nd after Purvis’ vehicle was located in Troy.     Colhour was arrested that day in connection with the vehicle theft.

A judge last month granted a motion filed by Colhour’s attorney for a competency evaluation, which is to be conducted by Kanza Mental Health.

He remains in the Doniphan County Jail.