The bagged-up bag of urine Mark says was left behind by an AT&T installer.

U-Verse Installer Uses Portable Urinal To Relieve Himself In My Bedroom, Leaves It Behind

When you gotta go, you gotta go. But when there’s a bathroom down the hall, you probably don’t need to use a portable urinal bag, and you certainly don’t need to leave it behind for the customer to find. [More]