Law enforcement officers respond to an active shooter in front of Santa Fe High School Friday, May 18, 2018, in Santa Fe, Texas. (Steve Gonzale/Houston Chronicle via AP)
Sen. Ted Cruz, second from left, Texas Governor Greg Abbott, second from right, and Lt. Governor Dan Patrick, right, speak at a press conference in the wake of a school shooting at Santa Fe High School on Friday, May 18, 2018 in Santa Fe, Texas. (Stuart Villanueva/The Galveston County Daily News via AP)
PARKLAND, Fla. — Survivors of the school shooting in Parkland, Florida, are expressing outrage and heartbreak after authorities said a student killed 10 people Friday at a high school in Texas.