I'm no grammar expert; but I think this headline could have been written a little better.

Police: Man Left DVDs of Ex-Girlfriend Performing Sex Acts on Car Windshields (FoxNews)

In this day and age it wouldn't surprise me; but I think what they meant to say was man left dvds on car windshields which showed his ex-girlfriend performing sex acts.

Neil Sedaka sure hit the nail on the head: "Breaking up is hard to do"