By Avi Selk, The Washington Post Last year, someone kept hacking into traffic signs in Dallas — corrupting bland electronic messages into jokey missives such as: “Work is Canceled — Go Back Home” and “Donald Trump Is A Shapeshifting Lizard!!” Funny? Dumb? Vandalism? Whatever your opinion of the pranks, the big Dallas hack of 2016 had one quality totally lacking in … Continue reading Tornado Sirens Hacked Across Dallas. It was Loud! (Multi-Video)