Suspect in murder, Md. mobile home fire arrested in Fla.

ELLICOTT CITY, Md. - Police in Howard County, Md. say a man suspected of killing his sister-in-law and then setting her mobile home on fire has been arrested in Florida.

Police say Timothy Mark Fuller, 53, was arrested around 8:20 a.m. on Sunday in Jacksonville, Fla. Fuller had been wanted in Maryland for first- and second-degree murder and arson in connection to his sister-in-law Stacey Fuller's death.

Police say Timothy and Stacey Fuller, 39, had lived together in a mobile home in Elkton, Md. Police say Stacey Fuller was discovered dead on Saturday with traumatic injuries after a fire tore through the mobile home. Police say they suspect Timothy Fuller first killed Stacey Fuller, then set the home on fire. CBS affiliate WUSA reports authorities say the victim suffered an apparent gunshot wound.

Police say four dogs also died in the incident. Their cause of death is still being determined, according to authorities.