A man was charged with 19 counts of sexual assault, kidnapping, robbery, burglary and attempted sexual assault over the span of 11 months after the Tucson Police Department responded to a suspicious activity call Tuesday.

Daniel A. Lopez, 27, was pulled over Tuesday morning on the 800 block of East Waverly Street and police found he had a number of outstanding misdemeanor warrants, a TPD media release stated.

Because of the nature of Lopez's arrest, the Adult Sexual Assault Detail was notified, the release stated.

The Tucson Police Crime Lab matched Lopez's DNA to three sexual assault investigations, two of which happened in the UA area, the release stated.

Other non-biological evidence linked Lopez to an attempted sexual assault incident in February, the release stated.

TPD found in February that three of the sexual assault incidents were committed by the same person but did not have a suspect, the release stated.

Lopez was cited and released on his original charges Tuesday but was located and booked to Pima County Jail Wednesday on the new charges.

Lopez was charged with the following:

Two counts of sexual assault, one count of sexual abuse, kidnapping and burglary reported on Jan. 26, 2004, in the 1300 block of East Lee Street.

One count of sexual assault, one count of kidnapping and one count of burglary reported on May 7 in the 5200 block of South Placita Brisa Grande.

Two counts of sexual assault, one count of aggravated assault, one count of kidnapping and one count of robbery reported on Oct. 31 in the 1300 block of East Mabel Street.

One count of attempted sexual assault, one count of aggravated assault, one count of robbery, one count of burglary and one count of kidnapping reported on Feb. 10 on the 1400 block of East Lester Street.

TPD credits the University of Arizona Police Department and Pima County Sheriff's Office for sharing their information and assisting with investigating leads, the release stated.

Sgt. Eugene Mejia, UAPD spokesman, said although someone has been charged with a string of sexual assaults, it is important for residents around the university to continue locking their doors and being aware of suspicious activity.

"Students should not let their guards down," Mejia said.

Mejia said in cases of repetitive sexual assaults, more victims might come forward and report incidents relating to the person who was arrested.