Under Florida law, someone can be charged with second-degree murder if the killing wasn't premeditated and was done in connection with a variety of crimes, ranging from arson to aggravated stalking.
As a result, most 1954 moviegoers only saw the film projected in 2D, and it wasn't until the early 1980s that a classic 3D film revival allowedDial M for Murder to be briefly seen theatrically, albeit in a "faux 3D" 70 mm composite print.