according to kpix, dave mackelhaden died of stroke related illness.e was 81 years old. >>> new details in a stabbing attack at this san francisco dog park. complete details are coming up. >>> try swimming from santa cruz all the way across monterey bay to monterey, 25 miles through jelly fish and sharks without a wet suit. meet the man who will do it tomorrow, still ahead. >>> the winds are pretty bad. i was holding his head, making sure he was still conscious. >> we're learning about a frightening attack at fort hudson. the victim was a dog stabbed in front of its owner for no apparent reason. ktvu's david stevenson is live tonight with what authorities are saying about the suspect in the case. david? >> reporter: frank, dog owners at this dog park you can see behind me are still shocked about the stabbing. we've learned new details about how park police found a suspect and how they may charge him. the sun i weather at the park was welcomed by dogs and their owners still jitter i over a stabbing last week. >> there is something wrong with that guy to

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