Who was attacked by the brother of a victim of the Saint Valentine's Day massacre?
Peter Gusenberg Peter Gusenberg a.k.a. ""Goosey"" (September 22, 1888 – February 14, 1929) and his brother Frank were German-American contract killers and members of Chicago's North Side Gang, the main rival to the Chicago Outfit. Peter Gusenberg participated in an infamous attack on Al Capone during a vicious gang war.
Joseph Kallinger Joseph Kallinger (December 11, 1935 – March 26, 1996) was an American serial killer who murdered three people, including his teenage son, and tortured four families. He committed these crimes with his 15-year-old son Michael.