Body Found Floating in San Francisco Marina

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Body found
Updated at 9:55 a.m.:
SF Weekly's Matt Smith reports from the Marina, where he spoke to SFPD Lt. Troy Dangerfield: "This is a homicide scene. At 6:37 a.m. somebody discovered the body of a 19-year-old white male in the Marina. Police have not yet connected the trail of blood to the body.

Last night the bloodstream was discovered leading from the postal store across the street from the Marina Safeway. The trail led to the Fort Mason Center parking lot and disappeared.

The crime scene extends from the Marina Safeway and the Marina parking lot and then to Bay Street two blocks south.

Original Post 9:05 a.m.:

Police discovered the body of a fully clothed man floating in the San Francisco Marina near Fort Mason early this morning, with a trail of blood nearby, according to media outlets.

Police told reporters that they received a call Monday  at about 10:30 p.m. from someone who reported a fresh trail of blood across the pavement on Buchanan Street. Officers searched the area, but found no victims.

Police received another call this morning at about 6:30 from someone who said they spotted a man's body floating in the water near a pier at Fort Mason.

Investigators found the body and then located more blood outside the post office at Beach and Buchanan streets. They followed the trail of blood, which led them to a spot close to where the body was found, Lieutenant Troy Dangerfield told reporters.

"The trail goes all the way across the street toward the pier," he said.

Police closed traffic during the morning commute as they investigated the mysterious death.

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My family knew Dennis while growing up in Ky.  My son was his bestfriend and they continued to stay in touch throughout the years.  From a young age, I could tell he bordered on the genius level, and the world is missing out!!  I am trying to find out new info on if they have any suspects or what happened to the other young man that was living out of the car with him.  Does anyone know anything more?

Camilla Thompson
Camilla Thompson

No Swimming in the Bay today!!! Yikes!


Wow a young life was taken and all you can say is "no swimming in the bay today"?? Ridiculous. Rest peacefully Dennis Knowlton, your missed by many.


Frivolity is often symptomatic of 'trust funder' torpor.


Yes he will be. There was a candle lighting tonight in honor of him. Everyone shared great memories and payed there respects.

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