@1:55:35
POP and they jump.
https://youtu.be/j8FrAayBXh0
No just confetti
"Local election offices have security and detection measures in place that make it highly difficult to commit fraud through counterfeit ballots. While the specific measures vary, in accordance with state and local election laws and practices, ballot security measures can include signature matching, information checks, barcodes, watermarks, and precise paper weights. "
Doesn't say DHS put watermarks on every ballot, says local officials may have put watermarks on ballots.
https://www.cisa.gov/rumorcontrol#rumor19
PS I would love to find the proof, so far it is a rumor.