Man killed in Mission district stabbing last week identified

A man who was killed in a stabbing in San Francisco's Mission district last Thursday has been identified by the medical examiner's office as 56-year-old John Porter.

The stabbing was reported at about 7:30 p.m. Thursday near 15th and Wiese streets.

A witness said Porter, who has no fixed address, was stabbed in the chest after an argument, police said.

Using a description provided by witnesses, investigators eventually located 58-year-old William Randleston and arrested him on suspicion of murder, according to police.

Randleston remained in custody as of this morning and also has a parole hold, sheriff's spokeswoman Susan Fahey said.

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