NEWARK - (AP) - Authorities say a New Jersey correctionsofficer was having an affair with the former convict who killed herat a barbecue in Newark early Tuesday before killing himself.

Thirty-seven-year-old Katrina Owens lived in Monmouth Junctionwith her three children and her husband, who is a sergeant in thestate Corrections Department.

Acting Newark Police Director Samuel DeMaio tells theStar-Ledger that Owens was having an affair with the man who killedher, 21-year-old Allen Barron.

As a juvenile, he was an inmate New Jersey Training School inJamesburg when she was a guard there.

After the shooting early Tuesday, he drove away in Owens' truck,then killed himself in Richmond.

Owens was one of three people killed in separate shootings in a45-minute span in Newark early Tuesday.

Off-duty corrections officer among 3 killed in Newark