Daniel Lee Zirkle, 33, died by injection at the Greensville...

Daniel Lee Zirkle, 33, died by injection at the Greensville Correctional Center at 9:07 p.m. He refused to appeal his death sentence for killing his 4-year-old daughter and her 14-year-old half-sister. Zirkle killed his daughter, Christina M. Zirkle, and her half-sister, Jessica L. Shifflett, 14, on Aug. 2, 1999. Zirkle and Barbara Jo Shifflett, the mother of both girls, had lived together from 1972 until April 1999. On Aug. 2, 1999, the couple were estranged, and Zirkle had just been released from jail for violating a protective order by assaulting Shifflett. Zirkle becomes the 2nd condemned inmate to be put to death this year in Virginia and the 17th condemned inmate to be put to death this year in the USA