Don't worry, the Keystone Cops here aren't after the two of you.

All the other companies, who were supposed to be experienced in this field, look like Keystone Cops in comparison.

At this point, our night took on the air of an episode from the Keystone Cop.

"Except all three of us started out two weeks ago just like the Keystone Cops."

It would have been like something out of the Keystone Cops.

One of the 'Big 4' he was the original chief of the Keystone Cops.

By the time sound movies arrived, the Keystone Cops' popularity had waned.

Two additional vampires glared at each other across the broad shoulders of a Keystone Cop.

Most of that went out with the Keystone Cops.

When the K's finally open the door, it's like Keystone Cops.