Genius Killer Using Projector and Scotch Tape to lock the door from the Inside

These Killers (in their universe) are lowkey Geniuses.

This one for example used a ....

Projector, Presperations and Scotch Tape to automatically lock the door from the inside.

Bruh, If I didn't read/watch this, I would have never think of this trick. And I bet Killers irl wont too. Lmao.