Question: Build a movie plot around this: who subsequently informed the police? The police are not mentioned
Answer:
An inbound Blue Line train pulls in to Firestone light rail station, and professional thief Neil McCauley (Robert De Niro) exits, disguised as a paramedic. He enters a nearby hospital, where the uniform allows him to walk through the emergency room unnoticed. He registers the activity going on around him as he travels down the hall holding a clipboard, acting like just another employee as he steals a Goodhew ambulance.At a construction parts dealer, one of Neil's associates, Chris Shiherlis (Val Kilmer), purchases some explosive charges, showing a valid driver's license, and pays in cash when the clerk asks him how he wants to pay.Meanwhile, Lieutenant Vincent Hanna (Al Pacino), a robbery-homicide detective for the Los Angeles Police Department, after having sex with his wife Justine (Diane Verona), leaves for work. Just after he leaves, his 15-year-old stepdaughter, Lauren (Natalie Portman), suffers a slight breakdown in front of her mother while she's preparing to meet her father.This same day, Neil, Shiherlis, and three other men, Trejo (Danny Trejo), Waingro (Kevin Gage), and Michael Cheritto (Tom Sizemore), carry out the robbery of a Gage armored car. Neil and Shiherlis, wearing paramedic uniforms, station the stolen ambulance on Venice Boulevard just east of the Interstate 10/Interstate 110 overpass. While this happens, Waingro is picked up at a cafe by Cheritto in a stolen green big rig tow truck. As they drive towards the scheduled ambush point, Waingro tries to make conversation with Cheritto, who merely asks for him to shut up. Waingro is quite agitated at the order. They park their truck underneath the highway at a 90 degree angle to the street. Trejo tails the armored car as it leaves the depot and radios in its location as it gets closer to them.When Trejo radios back that the armored car is 300 yards away, Neil, Shiherlis, Cheritto and Waingro slip on hockey goalie masks (in a deleted scene shown to have been purchased by Cheritto) that conceal their faces. They then move their vehicles into...