it is the responsibility of the family and funeral director to ensure that nothing is within a coffin which may cause an explosion.
Probably some obscure federal law eh.
Since no one else has said it yet; this is a classic example of going out with a bang.
"it is the responsibility of the family and funeral director to ensure that nothing is within a coffin which may cause an explosion."
Good thing the deceased didn't take multiple hits of viagra before he passed away..