A central Texas prosecutor and his wife were found killed in their house two months after one of his assistants was gunned down near their office,authorities said.
Investigators found the bodies of Kaufman County District Attorney Mike McLelland and his wife,Cynthia,on Saturday.
In January,Kaufman County assistant district attorney Mark Hasse,57,reportedly investigating the white supremacist Aryan Brother-hood,was gunned down just outside a courthouse in a small Texas town. No arrests have been made in his death so far.
Police declined to say how the couple died or whether authorities believe their deaths are linked to Hasses. Kaufman County is 53 km southeast of Dallas.
Kaufman Police Chief Chris Aulbaugh told The Dallas Morning News that investigators couldnt discount the possibility of a link to Hasses death.
A statewide bulletin in December said the Aryan Brotherhood an organised crime syndicate was actively planning retaliation against law enforcement officials, the paper said.
Aulbaugh said recently that the FBI was checking to see if Hasses killing could be related to the March 19 killing of Colorado prison chief Tom Clements.
Evan Spencer Ebel,a former Colorado inmate and white supremacist who is suspected killing Clements,was killed in a March 21 shootout with Texas deputies.
Hasse was chief of the organised crime unit in Dallas County in the 1980s,and he handled similar cases in Kaufman County.