Dallas April 10, 2017 5:20 pm FBI Joins Investigation Into Hack of Dallas Sirens The FBI has now joined the search for the person who hacked into the Dallas emergency siren system over the weekend, setting off all 156 sires when there was no emergency. Wake Up to Something Good 2:05 Dallas Cowboys partnering with the Salvation Army is a Thanksgiving tradition 3:04 Fort Worth PD to expand criminal justice program for at-risk youth 3:42 Questions still surround fatal 2021 Fort Worth pileup on icy road 3:12 Family's home in Plano hopes to give everyone a ‘spooktacular' time 2:51 Mariachi music flourishes in Dallas ISD after generations of support