In a press release issued around 5 p.m. on Nov. 7, 2013, Ann Arbor police chief John Seto has announced that three suspects have been arrested in the Paul DeWolf homicide. From the press release:
On July 24, 2013, the Ann Arbor Police responded to the 200 block of N. Ingalls where Paul DeWolf, a U of M medical school student and Air Force Second Lieutenant, was found deceased in his apartment. An autopsy revealed that he died from a gunshot wound. No firearm was recovered from the scene and his death was investigated as a homicide.
After an intensive investigation, the Ann Arbor Police Department has made three arrests. No other suspects are believed to be outstanding. There does not appear to be any previous affiliation between the suspects and Paul DeWolf nor any connection with the University of Michigan or the U.S. Air Force. [.pdf of Nov. 7, 2013 press release]