A guy from work was crushed to death this weekend by a vehicle he was working on. His son found him.
Not really clear on how it happened, if he was using jack stands, or if he was, if he tested stability prior to getting under; or, if he was using them on an unstable surface.
He had just retired from a 20 year Army career about a year and a half ago and was on his second career.
Either way, if you are getting under a vehicle, please, please, please be as safe as possible.
A quick job can become a quick problem.