Photos removed anonymity for bombing suspects

ASSOCIATED PRESSApril 19, 2013 

— Moments after investigators went before TV cameras to broadcast photos of two men in ball caps wanted for the Boston Marathon bombing, queries from viewers started cascading in -- 300,000 hits a minute that overwhelmed the FBI's website.

It marked a key turning point in a search that, for all the intensity of its first 72 hours, had failed to locate the suspects. While it's unclear how much the tips that resulted helped investigators zero in, experts say it instantly turned up already intense pressure on the two men to flee or almost certainly be recognized -- increasing the chances they'd make mistakes that would lead to them being exposed.

Late Friday, the manhunt at last reached an end in the Boston suburb of Watertown, when police cornered 19-year-old suspect Dzhokhar Tsarnaev, hunkered down inside a blood-spattered boat parked in the backyard of a three-bedroom house.

The decision that led to their quarry -- whether or not to make photos of the suspects public -- was something of a gamble, one that investigators had to weigh carefully.

"It was a good decision to put this out to the public ... and this would have been a calculated risk. But the intent would have been to get these guys to change their pattern" of behavior, said Martin Reardon, who spent 21 years as an FBI agent and now is a vice president of security consultant The Soufan Group.

Releasing the photos greatly increased the odds the two men would be recognized and turned in, even as it significantly upped the chances they would try to vanish or commit more mayhem -- exactly the scenario that played out.

"Clearly these guys were reacting and responding exactly as (law enforcement) predicted," said Robert Taylor, a criminologist at the University of Texas at Dallas who studies terrorism. "If you saw your face on TV and everywhere else as associated with the bombing ... you would act irrationally, and that's exactly what they did."

After three days without being able to identify a suspect by name, investigators clearly made the decision to release the photos Thursday on the belief that, without doing so, the suspects might remain at large for weeks or months, with the chance to flee or to act again, said David Weinstein, a former federal prosecutor in Miami.

So with photos in hand, investigators made a choice deemed both necessary and prudent.

"And then the worst possible thing happens," Weinstein said. "They do actually begin their flight and then start to wreak vengeance on the whole city of Boston."

Weinstein, Reardon and other experts had differing opinions on whether investigators' decision to release the photos was worth the cost exacted by the two men: the killing of a Massachusetts Institute of Technology police officer, a carjacking, the shooting of another transit police officer and a block-by-block manhunt that led officials to shut down Boston and many of its surrounding suburbs.

But all agreed the photo release was pivotal in breaking open the case, because it instantly deprived suspected bombers Tamerlan Tsarnaev, 26, and his brother, Dzhokhar, of time, anonymity and options.

By late Friday, many of the details in the chain of events that led to the older brother's death and the capture of the younger one after a massive manhunt still were unclear.

The chaos of the pursuit contrasted sharply with the sweeping, methodical investigation that began almost immediately after the Monday afternoon bombing that killed three and wounded more than 180, and was marked by officials' notable reluctance to disclose information. In the hours and days after the bombing, dozens of investigators in white hooded suits carefully combed, cataloged and photographed evidence at the scene, even canvassing the roofs of nearby buildings to search for items blown into the air by the bomb's force.

Investigators gathered hours of videotape footage from security cameras that scanned the area around the bombing and appealed to the public to turn in their own video and photos, for help in determining the sequence of events and identifying a suspect.

They then used software to search for certain types of objects or people matching a height and weight description. The technology also can spot patterns that human analysts might not notice, such as a car that turns up in different places, said Gene Grindstaff, a scientist at Intergraph Corp., a company that makes video analysis software used by the FBI and other law enforcement agencies.

By Thursday, once facial recognition software and agents had narrowed the search to images of two young men, investigators had to make a decision about how to proceed.

Meanwhile, the Tsarnaev brothers already were on edge.

At an auto body shop near their home, the younger brother, Dzhokhar, had often stopped to talk with owner Gilberto Junior about cars and soccer. But on Tuesday, the day after the bombing, the normally relaxed young man showed up biting his nails and trembling, Junior said.

The mechanic told Tsarnaev he hadn't had a chance to work on a Mercedes he'd dropped off for bumper work.

"I don't care. I don't care. I need the car right now," Junior says Dzhokhar Tsarnaev told him.

By Thursday afternoon, the brothers had to know their options were narrowing quickly. And then the FBI released their photos to millions of viewers across the city, and around the world via newspaper, TV stations and websites. The time to move was now.

"I think this developed rather quickly last night," State Police Col. Timothy Alben said late Friday. "I would wager that most of the activity that was printed in the media yesterday forced them to make decisions or take actions that ultimately revealed who they were."

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