The alleged victims -- all females in their mid-50s to mid-60s -- were alumnae of the same predominantly African-American sorority : Delta Sigma Theta , according to police . Plano , Texas , police distribute composite sketch of the sexual assault suspect . Comment: The person who did it is a serial rapist and murderer that has been on the run for years now. They were all alumnae of the Delta Sigma Theta sorority . The alleged attacker , black and in his 30s or 40s , knew personal info about his victims .
Plano , Texas , police distribute composite sketch of the sexual assault suspect . Comment: The person who did it is a serial rapist and murderer that has been on the run for years now. They were all alumnae of the Delta Sigma Theta sorority . The alleged attacker , black and in his 30s or 40s , knew personal info about his victims .