MARIETTA, Ga. -- Authorities are scouring a suburban Atlanta riverbank where the car driven by a Texas prison guard accused of stabbing his wife and mother-in-law to death was found.

Rosenberg police Lt. Colin Davidson said Tuesday that the maroon Honda Accord belonging to Albert James Turner was found partially submerged in the Chattahoochee River in Cobb County.

Police said Turner, 44, killed his wife, Keitha Frank Turner, 39, and her mother, Betty Jo Frank, 66, at his in-laws' home ealry Sunday.



Turner is described as black, 6-feet 1-inch tall, and weighing 270 pounds. Police said he is armed and dangerous.



Turner worked for the Texas Department of Criminal Justice and may possibly being wearing a department uniform, police said. Turner has been with the corrections agency since 1992, first at the Darrington Unit in Brazoria County, and since 1997 at the Jester Unit, a psychiatric prison in Fort Bend County, Texas prison system spokeswoman Michelle Lyons said.



Davidson said the women were killed in front of at least two children, including one who called 911. Davidson had alerted authorities along Interstate 10 because Turner has family near Orlando, Fla.