Billy Kipkorir Chemirmir

Billy Chemirmir, 46, has now been indicted on 11 new charges of capital murder in the deaths of elderly women in Dallas and Collin counties.

A grand jury this week indicted Billy Kipkorir Chemirmir, 45, on the charge in connection with the attack last year on a Frisco woman. He also faces a separate capital murder charge in the death of a Dallas woman. 

A home health care nurse who is in the U.S. illegally and is accused of smothering an 81-year-old Texas woman to death may have more victims, police sources have told several news agencies.