13 Investigates: Postal union says packages at risk as 600 USPS workers robbed last year [Video]

HOUSTON, Texas (KTRK) — It was just like any other day when USPS postal worker Ulysses Wells was working an overtime shift and arrived at a cluster of mailboxes last summer to deliver mail on his Houston route.

Except this time, he said he didn’t realize he was being watched.

“My focus is on getting the mail together, trying to get off work, trying to hurry, things of that nature,” Wells told 13 Investigates’ Kevin Ozebek. “You’re not thinking about anything else.”

Then, Wells said someone wearing a face mask demanded he hand over his universal mail key.

As 13 Investigates’ continues looking into postal problems, our investigator Kevin Ozebek speaks with a woman whose certified letter was stolen. Watch her story at 6 p.m. Thursday on ABC13.

“I didn’t hesitate. Obviously, he knows what he wants. He’s probably willing to do anything to get this key. I better give him the key,” Wells …