Witnesses told police that a man was performing a lewd act inside a work van at Sawmill Creek Park on Tuesday afternoon.
According to Anne Arundel County police, the incident occurred at about 4:32 p.m. Tuesday in the 300 block of Dorsey Road in Glen Burnie.
Officers arrived on scene and found the man "seated in the driver’s seat of the vehicle with his pants unzipped and his genitalia in plain view," according to a police press release.
Police charged Gary Wikstrom, 57, of the 6200 block of Gay Topaz in Columbia with indecent exposure and confiscated a camera and iPad found in the van as evidence.
The investigation is ongoing, police said.