11.   Federal prison officials said they frequently shuffle inmates to ease overcrowding, to make court appearances, to break up prison gangs and for a number of other reasons.

12.   Five years ago, that many members of prison gangs at one crime scene might have surprised police.

13.   For protection, he said, he joined the Aryan Brotherhood, a white-supremacist prison gang.

14.   For members of the Texas prison gang La Raza Unida, the typewritten words govern life and death.

15.   Hawkes will testify about alleged connections between Knoller and Noel and the Aryan Brotherhood prison gang, prosecutors said.

16.   His testimony revealed some of the inner workings and cold-bloodedness of the violent prison gang.

17.   In fact, prison officials said, investigators believe two recent murders in Austin may have been ordered by one prison gang.

18.   In Houston, several prison gangs are believed involved in a dozen killings in two years.

19.   In Corpus Christi, authorities blame the Raza Unida prison gang for three of the nine murders since January.

20.   Increasingly, inmates find hope and purpose in a potentially devastating form of organized crime, prison gangs.