Shooter won't even get wrapped up properly in the final two episodes so I hope they have something good in the next two or the season will be a total waste.
Range M16 350 meters
Range M110 1000 meters Range
M14/M21/M25 1200 meters
Range M24 1600 meters
Range of the Mexican
Military and Federal Police Rifles 7.62mm x 51mm 600 meters
U.S. Marines, U.S. Marine Snipers are NOT U.S. Military Special Operations Forces, while U.S. Army Special Forces, U.S. Air Force Special Operations Wings, U.S.M.C. MARSOC, U.S. Navy S.E.A.L.s are Special Operations Forces as fully trained to do those things previously depicted by this Sniper TV Series, that Conventional Warfare U.S. Marines ARE NOT TRAINED TO DO.
Anybody that has been trained (Basic Combat Training) has to be rolling on the floor laughing their rears off. Anybody trained as a Sniper will just change channels or turn off the boob tube. Range of the weapons.
Taking off gloves and face mask and throwing on the ground, not very smart, as connected to crime scene by DNA. They would have known this if actual U.S. Military Special Operations Forces (that usually work with the CIA). The Mexican Police will then tie them to the Murders.