By Linh Ta , lta@dmreg.com, Des Moines Register, March 21, 2017

A former Boone pastor was arrested after allegedly sexually exploiting a teenage girl at Grace Community Church and "grooming" her for several years, according to court documents.

Joel Waltz, 47, of Boone, was charged with sexual exploitation by counselor or therapist on March 13. He was booked into Story County Jail and posted bail on March 20.

According to court documents, Waltz and the victim first met at Grace Community Church while  . . . 

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