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Classes were about to let out for the day when, at 2:19 p.m., an Uber driver dropped off a young man carrying a soft black rifle case at Marjory Stoneman Douglas High School in Parkland, Fla., northwest of Fort Lauderdale, according to a timeline provided by Broward County Sheriff Scott Israel.

By the time the man would run from the school 9 minutes later, 17 students and staff would be dead or dying, including a football coach and the school’s athletic director. At least 15 more were wounded.

Marjory Stoneman

Douglas High School

NORTH

Track

Tennis

Gym

Cafeteria

Bldg. 12

Main

entrance

Auditorium

PINE ISLAND RD.

Track and field

NORTH

Tennis courts

Gym

Main

courtyard

Cafeteria

Building 12

Bus loop

Parking Lot

Main

entrance

Auditorium

Marjory Stoneman

Douglas High School

PINE ISLAND RD.

Track and

field

NORTH

Tennis courts

Gym

Marjory Stoneman

Douglas High School

Main

courtyard

Cafeteria

Building 12

Parking Lot

Main

entrance

Auditorium

Bus

loop

PINE ISLAND RD.

The shooter entered Building 12 at the east stairwell and pulled out an AR-15 semiautomatic rifle. Authorities said the suspect legally purchased the gun about a year before.

Two minutes after arriving at the school, he began shooting.

1234

1213

1216

1214

1215

1. At 2:21 p.m., a gunman enters Building 12 through east stairwell door

 

2. He shoots into rooms on the first floor

 

3. Gunman takes the west stairwell to the second floor

 

4. Gunman shoots one person in

Room 1234

 

5. Gunman takes east stairwell to third floor, drops his weapon before exiting the building

Gunman takes east stairwell to third floor, drops his weapon and exits the building

Gunman shoots one person in Room 1234

1234

Gunman takes the west

stairwell to the second floor

1213

1216

He shoots into rooms

on the first floor

1214

1215

2:21 p.m.

Gunman enters

Building 12 through

east

stairwell door

Gunman takes east stairwell to third floor, drops his weapon and exits the building

Gunman shoots one person in Room 1234

1234

Gunman takes the west

stairwell to the second floor

1213

1216

He shoots into rooms

on the first floor

1214

1215

2:21 p.m.

Gunman enters

Building 12 through

east

stairwell

door

He walked along the first-floor hallway, firing into rooms 1215, 1216 and 1214, returning to rooms 1216 and 1215, and then shooting into 1213.

He took the west stairwell to the second floor and shot one person in Room 1234. He then took the east stairwell to the third floor, dropped his rifle and backpack and ran down the stairs. He left behind students and teachers barricaded in classrooms and closets.

He ran toward the tennis courts, then turned south, crossed fields and ran west, trying to blend in with students who had fled.

Marjory Stoneman

Douglas High School

HOLMBERG RD.

Walmart

SAWGRASS EXPY.

McDonald’s

WINDHAM

LAKES

3:41 p.m.

Suspect

arrested

WILES RD.

1/2 MILE

Marjory Stoneman

Douglas High School

2:50 p.m.

After the shooting at the school, suspect seen fleeing with students toward Walmart

3:01 p.m.

Suspect seen at

McDonald’s

WINDHAM

LAKES

1/2 MILE

3:41 p.m.

Suspect arrested

After stopping at a Subway inside a Walmart at 2:50 p.m. to get a drink, he walked to a McDonald’s, arriving at 3:01 p.m. He sat there for a while, Israel said, then left again.

Twelve people died inside the school, three were killed outside and two died at a hospital. Israel said he was not sure when in the sequence of events the people outside the school were shot.

Students are led out of Marjory Stoneman Douglas High School under police protection. (Joe Raedle/Getty Images)

In this still image taken from a video, a man in handcuffs is led into a police vehicle in the Windham Lakes neighborhood near the school. (WSVN.com via Reuters)

Forty minutes after he arrived at the McDonald’s, the suspect, a troubled student who had been expelled last year from the school, was arrested without incident at 4700 Wyndham Lakes Drive in Coral Springs, about a mile southwest of the school.

Coconut Creek police officer Michael Leonard, who was driving through the area, recognized Nikolas Cruz from a description of his clothing and stopped him as he walked along a sidewalk. Cruz is charged with 17 counts of premeditated murder.

About this story

Sources: Broward County Sheriff Scott Israel, Broward County Public Schools, Pictometry International, and Maps4News/HERE. Graphic by Laris Karklis, Lauren Tierney, Bonnie Berkowitz, Aaron Steckelberg, Tim Meko and Chris Alcantara.

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