baton murders of the homeless in Miami

A 37-year-old man, Brenton Clarke, is accused of killing two homeless people in Miami by hitting them on the head with a stick. Two other people, including a homeless couple, were also attacked and are seriously injured. He faces charges of premeditated murder, attempted murder and armed robbery. Police say he attacked the victims one after the other, with no known motive as yet. The blows were extremely violent.