NEW: Testimonial ad from Trump's Former DHS Chief of Staff @MilesTaylorUSA, declaring his support for Joe Biden and describing Trump's presidency as "terrifying" and "actively doing damage to our security."

WATCH & go to https://t.co/Nz2NiSCquN for more. pic.twitter.com/iChqOdIIew

— Republican Voters Against Trump (@AccountableGOP) August 17, 2020