Dateline NBC (aka “The Murder Show”) recently aired an episode about a California farm manager who was killed by an explosive device that used a spring-loaded rat trap as part of its triggering system. Thus, the show featured numerous YouTube clips of rat traps doing all sorts of awesome and violent things (no actual killing of rodents, thankfully) — some of which turned up in the browsing history on one of the suspect’s home computers — but Dateline didn’t identify the creator of those videos. [More]