Dozens of travelers from Maine were walking toward the Louvre's Apollo Gallery when suddenly, their tour group was forcefully pushed back.

In that sense, the Louvre heist wasn’t really art crime, Vernon Rapley, a former leader of the London police force’s art squad, told my colleague Alex Marshall. It was “commodity theft.”

A new video has emerged showing what could be the Louvre thieves in action as they carried out Sunday’s daylight robbery at Paris’s world-famous museum. The footage, obtained by French broadcaster BFMTV, purportedly shows what has been called one of the most brazen art thefts in recent memory.