They said that criminal charges are rare even in accidental shooting deaths that take place in non-professional settings without safety protocols.
Host Alec Baldwin arrives at the 2nd Annual NFL Honors in New Orleans, Louisiana, February 2, 2013.
Experts interviewed by Reuters could not cite another instance in which criminal charges stemmed from an accidental shooting death on a film set.
And civil suits against Baldwin that are pending have claimed systemic cost-cutting led to dangerous conditions on set, allegations Baldwin and the film's production company have denied.
Involuntary manslaughter charges are most common in fatal traffic accidents involving extreme recklessness, such as intoxication or excessive speeding, according to experts.