Florida serial killer 'wrote message with victim's blood'

Police investigating murders committed by a confessed serial killer who targeted homeless men say he used the blood of one of his victims to write a message on the floor, it was reported on Thursday.

Nathaniel Petgrave, 22, confessed to killing three men and seriously wounded a fourth in the Fort Lauderdale area, police told WPLG-TV.

Police say Petgrave has confessed to the murders.

Police say that on October 20, Petgrave shot two homeless men, ages 65 and 68, while they slept at a gas station in Lauderhill, a suburb of Fort Lauderdale,Florida.

One of the shooting victims, 65-year-old Larry Scott, was killed, but the other, who was shot in the neck, survived, police said.

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