( CNN ) -- Dallas police Saturday said DNA evidence has provided a breakthrough in an investigation of nine sexual assaults in South Dallas this summer . Police asked for the public 's help in locating Van Dralan Dixson , 38 , who is named in an arrest warrant for aggravated sexual assault . His DNA matched evidence gathered in one case , a police statement said . Samples for other cases are awaiting analysis . Dallas police had said officers were `` saturating '' the area of the attacks and that a task force had been created to investigate the crimes . Police have said a single suspect was believed responsible for attacks on nine victims from June 22 through September 1 . All of the victims were walking between midnight and 6 a.m. when an armed man forced them to nearby secluded areas . The victims were robbed and sexually assaulted . Victims said the attacker covered his face with a mask or bandanna , CNN affiliate WFAA-TV reported . WFAA said a sexual assault was reported near an abandoned store in the same area early Saturday . Police did not immediately say whether that attack was similar to the previous nine .
At least nine similar assaults have been reported in South Dallas this summer . The attacks are the latest example of a spike in violent crime that has left police and city officials scrambling to respond. Police say DNA match points to suspect Van Dralan Dixson .