When they have training exercises for the exact same scenario, the same day as the live event magically takes place, you should be highly suspicious.

"Training scenario" is used so gear and agents / possible actors / witnesses can be put into place without anyone reacting, and you have something to lean on afterwards.

They were supposed to have a training exercise for a school shooting the day the Florida Valentines day shooting took place, with officers firing blanks to "for realism".

I'll drop a few other examples below.

• 9/11 had multiple anti terror drills the same day, the main one being two airplanes hitting the two towers. This is too long two write about but most people know it already.

• When Breivik went on a killing spree, killing around 70-80 teenagers, he bombed some (empty) government building in the Oslo before he traveled to the Island, and the area around the building had an anti terror drill going on.

• There was also a biowarfare exercise called Operation Tripod planned in New York for the 12th. Among the organizations involved were the Office of Emergency Management, FBI, FEMA and local police and fire departments. The OEM headquarters for the exercise was in Building 7 of the World Trade Center complex, and numerous emergency personnel were taking up positions in Lower Manhattan just as the attacks took place – no doubt saving many lives thanks to this stroke of good luck. A few days later, a rumor started going around that a FEMA team had arrived in the city the day before the attack, owing mostly to an interview by a FEMA spokesman who claimed his team arrived on the 10th and went into action the morning of the 11th. Conspiracy theorists have seized on the presence of the FEMA team as a clue that the government had advanced knowledge of the attacks, though FEMA later said the spokesman was simply confused about the dates.

• There was also a terror drill was taking place around the same time of the London bombings of July 7, 2005 – an exercise designed to test how responders and residents would cope with multiple bombs going off in the underground train system. Of course, this is exactly what did happen, leading to a conspiracy theory that the drill somehow “went live.” A key figure in this theory, which is contradicted by CCTV footage and taped statements by the bombers, was security consultant Peter Power, who gave interviews to British TV and radio outlets describing how his firm, Visor Consultants, was working on a crisis management drill that predicted the events of the bombings.

• The most recent large-scale tragedies in America also have drills or exercises attached to them – sometimes going on at the same time. On the same day as a gunman murdered 12 people in a movie theater in Aurora, Colorado, Rocky Vista University College of Osteopathic Medicine in nearby Parker was holding specialized classes in disaster life support. One of the scenarios was how to respond to a shooting and bomb attack in a movie theater. In an interview with a local paper, the college’s dean remarked “the irony is amazing, just amazing.”

• There was also an “active shooter” drill being carried out by FEMA, designed to train students and parents on what to do during a school shooting. And it was being carried out in Bridgeport, Connecticut, just 18 miles from Newtown, on the same day as the tragic school shooting at Sandy Hook Elementary. And in maybe the most astonishing coincidence of all, a police drill simulating a series of backpack bombs exploding around Boston, called Operation Urban Shield, was to take place just months before backpack bombs actually exploded at the Boston Marathon on April 15, 2013. There was also a “controlled explosion drill” that took place right after the bombs went off – with loudspeaker announcements warning Marathon attendees to leave the area. Surely they can’t ALL be coincidence!?!

Of course, these could all just be coincidences, but statistically those odds should be close to non-existent.