[TexasGator]

“More recent takes on the suicide door have incorporated safety features such as locking the door once the car reaches a certain speed. “

My Mustang does that!

[bgill]

Suicide doors were especially popular with mobsters in the gangster era of the 1930s, supposedly owing to the ease of pushing passengers out of moving vehicles, according to Dave Brownell, the former editor of Hemmings Motor News.

https://en.wikipedia.org/wiki/Suicide_door

[Yo-Yo]

“More recent takes on the suicide door have incorporated safety features such as locking the door once the car reaches a certain speed. “

More recent takes on the suicide door have incorporated a safety feature such that the rear door cannot be opened until the corresponding front door has been opened.

You see this on extended cab pickup trucks, the Honda Elememt, and the Toyota FJ. Some passenger cars also included a passenger side only third door that opened suicide but didn't open until the front passenger door was opened.