These are names of the officers killed in the Dallas shooting at a Black Lives Matter protest Thursday.
OFFICER PATRICK ZAMARRIPA, 32: Zamarripa was a Dallas police officer and the father of a 2-year-old. He survived three tours in Iraq.
OFFICER BRENT THOMPSON, 43: Thompson was a Dallas transit authority officer who had previously trained police in Iraq and Afghanistan. He'd married a fellow member of DART within the past two weeks. He became the first officer killed in the line of duty in DART's history.
OFFICER MICHAEL KROL, 40: Krol was a Dallas police officer who formerly worked as a jail officer in Michigan. According to his family, becoming a police officer was his lifelong dream.
SENIOR CPL. LORNE AHRENS, 48: Ahrens was a 14-year veteran of the Dallas Police Department and a former semi-pro football player. He made it through surgery after the shooting but died due to complications.
SGT. MICHAEL SMITH, 55: Smith was a Dallas police officer and a father of two girls. He was a former Army Ranger and had reportedly recently discussed retirement.
Seven more police officers and two civilians were injured in the attack.
This video includes images from Twitter / @PatrickEZ01, Facebook / Brent Thompson, LinkedIn / Brent Thompson, WDIV, Wayne County Sheriff's Office, Twitter / @wordsforwags, Facebook / Katrina Swyryn-Ahrens and Getty Images. Music from Chris Zabriskie / CC BY 4.0.