Underground officials believe the offender has used a key to enter the train and raise questions about whether he knows someone from the transit agency. How the perpetrator received the key is examined by the transit officials, among others.
The officials said they've been analyzing dozens of incidents since the beginning of the year in which factors such as the activation of brakes or the observation of "surfers" played a role in determining the actual extent of braking the brake spree. They also review security videos and request photos and videos from drivers.
It was the same method every time, officials said. A man surfs the back of the train and then gains access to an operating cabin. He goes in, pulls the emergency brake and then escapes to the track and disappears into the darkness. Lines 2 and 5 were his most common targets.
Mr. Byford said the perpetrator – or the perpetrators – are not "idiots" but "idiots". He demanded harsher punishment for those who commit this type of crime. For the time being, a probable charge would be a reckless threat.
"I would like to banish them from the subway," said Byford.
According to reports from Jalopnik's internal traffic department, a news site, train attendants saw the man at least once while jumping off the rear of the trains, but they could not catch him. He is said to have pulled the emergency brake in three different trains during a 36-minute period on Tuesday. According to the report, he also made an "obscene gesture" to a train attendant who discovered him.
On Wednesday, Kristin Myers, a Yahoo Finance reporter, posted a video on Twitter about a man in a baseball hat riding on the back of a Q-train. She said she arrived at DeKalb Ave. at 11.30 on April 27th. Railway Station in Brooklyn.