Capping a monthlong investigation, Oakland police arrested the estranged husband of a missing Oakland woman Tuesday on suspicion of murder. Police said they have evidence to suggest that Nina Reiser, 31, who went missing Sept. 3, is dead. Her body has not been found. "All avenues led us to Mr. Reiser being responsible for the death and disappearance of Ms. Nina Reiser," said homicide Lt. Ersie Joyner.