The incident happened in the 100 block of District Square in Southwest on Sunday at around 4:30 p.m.
Officers believe the suspect fled the area after engaging in “unwanted sexual contact” with a minor.
The department also released a surveillance video of the unidentified person. They asked anyone with information to call 202-727-9099 or text the tip line at 50411 with any information on the suspect’s whereabouts.
Rewards of up to $1,000 are available to anyone who provides information leading to an arrest and conviction in the District.
See a map of the location of the incident below: