If a strike plate has been modified, there’s a good chance it's latch-based lockset can be bypassed. After more than a decade in locksmithing, I've seen lots of ground down strikes. It's done for a multitude of reasons, but it's usually done due to door sag which has caused the door to no longer latch when it is cycled. Instead of shimming or replacing worn out hinges, a property manager, handyman, or contractor will often just grab a file or a Dremel and open up the strike as a quick fix. This