Police are lined up, down on one knee, peering through bushes and tree leaves. Not clear if the person in the boat has been killed. Even if he has, police are concerned that his body could be booby-trapped.
A Globe source says the person in the boat is not moving.
The boat is in the backyard of 67 Franklin St. in Watertown. Franklin is a 45-degree angle street; it runs from Mount Auburn Street to Walnut Street. This house is located close to the curve in the street.
Police have removed the cover from a boat in a Watertown backyard containing the man believed to be the Boston Marathon terror bombing suspect, a source tells the Globe. Police believe they have located and pinned down the desperate 19-year-old man, a separate source told the Globe.
WBZ is reporting that police found the man in the boat using thermal imaging.
BREAKING NEWS: Police are still concerned that the suspect may be wearing a suicide bomb vest, the source tells the Globe.
NBC News is reporting that there was a small fire in the boat the bombing suspect is hiding in and that the suspect is bleeding heavily.
Police still are treating the scene cautiously.
Police arrested three college-age suspects in New Bedford related to the bombing investigation, according to the Globe.
The Globe's Shelley Murphy reports that the suspect is alive.
Tsarnaev is being brought to Mount Auburn Hospital, according to the Globe's Shelley Murphy.