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Police Assemble Suspect DNA Profile in Dallas Area Sorority Attacks

Authorities have compiled a DNA profile of man they say may have been responsible for a series of sexual assaults in the Dallas area in 2010. All of the attacks occurred in suburbs of Dallas and targeted alumnae of Delta Sigma Theta, a historically black Greek sorority.

Police say they have used the DNA profile to confirm that the last three attacks were connected. However, they have been unable to collect DNA evidence from the first, an attempted rape. Police say that none of the suspects belonged to the same chapter or attended the same university, leading them to hold a personal safety class for about 70 alumnae of the sorority. The president of the sorority issued a statement telling current members and alumnae to be careful when posting information online and to keep any sorority memorabilia out of sight. A police officer explained that the suspect is likely to attack again.

Police have identified a person of interest in the assaults, making the identification based on surveillance video taken following one of the attacks. In the footage, a heavy-set black man is seen using a pay phone several miles from Dallas. At the time the call was made, one of the victims received a call from her attacker. Police said the suspect called the woman to "make sure she was OK." The woman reported that the man spoke calmly and did not sound threatening.

No arrests have been made pending a more thorough identification of a suspect. The FBI has begun assisting local police with their investigation into the assaults.

Source: LA Times, "Dallas-area police have DNA of rapist targeting sorority alumnae," Nov. 22, 2011