This would be shocking if committed by any other than the religion of peace. Sadly, it has become expected when involving Muslims.
Police provided no clues about the motive for the killings. "There are several things we're looking into," said Irving police Officer David Tull, noting that the suspect faces capital murder charges.
Officer Tull said there have been some "domestic issues" with the family, but he did not elaborate.
Police did say they are looking into the possibility that the father was upset with his daughters' dating activities.
"Amina was very nice with everybody. She helped me in [Advanced Placement English] class," she said. Sarah was a sophomore when she took an Algebra II class with Liz, who was a junior at the time.
She said the sisters, who wore typical American clothes, didn't talk much about their family. "I didn't know they were Muslims until she told me they were Egyptian and Muslim," Liz said.
She said the Student Council is organizing a prayer vigil at 6 tonight at Lewisville High. Students are asked to wear pink to school today to honor their friends.