Police say it appears that 81-year-old Masao Matsumoto killed his wife, then himself.

MPD is looking for a bicyclist that hit an elderly couple in an alley off of the 600 block of Massachusetts Avenue NW, near the Washington Convention Center, Friday morning. The man and woman, both in their 70s, were struck by a man riding a BMX-style bike designed for dirt roads and motocross. Both victims were taken to an area hospital; the man is listed in critical condition. The suspect is described as having black…