Eh, I don’t know about crime, but I know for sure that office pranks would be better than ever.
Sorry guys but…
Yes its possible to defy gravity with sound and various frequencies (this is how the egyptian pyramids were built, no heavy lifting necessary)
But… Huvrboards are just not there yet unfortunately… Just some wishful thinking for the future 
…what…?
Sounds like he’s been watching a little too much Ancient Aliens.
You missed a joke.