San Francisco police are investigating a suspicious death near 22nd Avenue and Fulton Street. Police say an alert passerby called them shortly before 7:30 Sunday night saying they'd found a woman who appeared to be deceased. Police sources confirm that the female victim, 37-year-old Kelly Koike of San Francisco, was discovered inside a duffle bag. At this time, investigators are not releasing a lot of details, but they are calling the circumstances suspicious, and homicide investigators are looking into it.