The charges against the man dubbed the "Portable Toilet Peeper" have doubled.Luke Irvin Chrisco, 30, was arrested in Vail on June 23 in connection with a June 17 incident at the Hanuman Yoga Festival in Boulder.A woman using a portable toilet at the festival spotted a man hiding in the toilet tank, police said. The man exited the toilet and ran, but police said Chrisco later admitted to spying on women using the portable toilet. He is charged with attempted unlawful sexual contact in the festival case.On Monday, Boulder police said Chrisco told investigators that he watched women using restroom facilities at the Department of Motor Vehicles, 2850 Iris Ave.; the Naropa Institute, 2130 Arapahoe Ave.; Target, 2800 Pearl St.; and Boulder Cafe, 1247 Pearl St.Investigators found peepholes at all of those businesses, police spokeswoman Kim Kobel said. Business owners have sealed the holes and have cooperated with police during the searches.Chrisco was charged with four counts of second-degree burglary for those incidents, she said.Kobel said Chrisco was charged with burglary because he's accused of entering the businesses with the intent to commit a crime, unlawful sexual contact.Friday, the District Attorney's office told 7NEWS, Chrisco is now facing eight counts of second-degree burglary, all felonies.Chrisco told 7NEWS in a jailhouse interview that he did spy on women using restrooms, but insisted he's not dangerous."I don't believe I'm the violent kind of voyeur," he said. "Just to look and not touch."Chrisco is scheduled for a preliminary hearing on the charges on July 18 at 9 a.m.