TOWSON, Md. (WJZ)— Talk about indecent exposure. A man and woman having sexual relations in a public parking garage were chased down by a peeping Tom.

It happened around 1:30 a.m. Sunday when a 21-year-old man and 21-year-old woman were having sexual relations on the top level of parking garage on Pennsylvania Avenue near York Road in Towson.

Things turned awkward when they spotted a man with his pants down masturbating near them.

The man then chased them down the stairs of the garage.

When they got to the third level of garage, police say the suspect pulled out a butterfly style knife, pointed it at the male victim and began yelling.

The male victim continued running downstairs.

The female victim kept running and never saw the suspect’s knife.

The male suspect stayed on the third level.

The suspect is described as a black male, 5’10″ with short black hair.

No one was injured in this incident.