Police in Great Bend want to know why a trailer that killed a Hutchinson couple on a motorcycle came loose from the truck that was pulling it.

The Wichita Eagle reports the ball and hitch being used in pulling the trailer will be sent to a lab for special testing.

Reno County jail deputy Shawn Schellenger and his wife, Danielle, died Aug. 16 when the 6-by-12-foot trailer detached from the pickup truck and hit their motorcycle just outside Great Bend. The trailer was hauling a lawn mower.

Great Bend police Lt. Bill Browne told The Eagle investigators want to see the wear and tear on the ball and hitch. Browne says the Barton County prosecutor requested more follow-up in a meeting last week.

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(Information from: The Wichita Eagle)