Boulder police arrest man accused of making inappropriate remarks to young girls

BOULDER, Colo. — Police arrested the man accused of saying inappropriate remarks to three young girls and making threats when confronted by a concerned parent.

Officers with the Boulder Police Department arrested Warren Dennis, 54, shortly before 4 p.m. Saturday. He was trying to enter the East Boulder Recreation Center on Sioux Drive, police said.

He was taken into custody for two counts of harassment and was transported to the Boulder County Jail.

Dennis is a registered sex offender in Boulder for an out-of-state misdemeanor sex offense, police said.

On Sept. 2, three young girls — ages 9, 10 and 12 — were playing a Park East Park when a man approached them and made inappropriate comments about their bodies, police said. The girls biked away from the man and told a parent. The parent confronted the man, who became aggressive and threatened sexual violence and to burn down the neighborhood, police said.

Detectives are continuing to investigate this incident. Police said Dennis was not cooperating to take an updated mug shot.

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