More than 70,000 members of the NRA are expected in Dallas for the group's annual meeting, which will feature an appearance by President Trump.
The Army reservist who killed five Dallas police officers last month showed symptoms of post-traumatic stress disorder after returning home from Afghanistan in 2014.
Police in Dallas were the first in the nation to use a robot to deliver and detonate a bomb to kill a suspect, will other cities follow suit?
After each fatal shooting of a black man by an officer, President Obama has spoken out against bad policing - troubling many law enforcement personnel.
More than 1,000 people have gathered in downtown Dallas to attend a candlelight vigil for the five police officers killed during a protest march.
A peaceful protest in Dallas over the recent videotaped shootings of black men by police turned violent. Here's what is known about the deadliest day for U.S. law enforcement since 9/11.
A storm system that spawned the twisters brought winter storm woes on Monday and amplified flooding that's blamed for more than a dozen deaths.