A sketch of a person of interest in the murder of two girls.
June 12, 2008: Tammy Smith, a cheerleading sponsor for the squad of two slain girls, cries as she speaks with Agent Ben Rosser.
June 10, 2008: A memorial to Taylor Paschal-Placker and Skyla Whitaker at the spot along a rural road where they were found dead.
Taylor Placker in 2006.
Authorities continue to chase leads in the search for a possible witness seen in the area where two young girls were gunned down last weekend, an Oklahoma Bureau of Investigation spokeswoman told FOXNews.com Sunday.
Jessica Brown of OSBI said the agency has received "hundreds of leads" after releasing a composite sketch Friday of a man believed to have been in the rural area at the time of the murders.
The possible male witness is described as "part American Indian, part Caucasian," about 35 years old, about 6-feet tall, with black hair and a long ponytail. He was seen standing near a white Ford or Chevrolet single cab pickup with an Oklahoma license tag around the time the two girls, 13-year-old Taylor Paschal-Placker and 11-year-old Skyla Whitaker, were found dead last weekend near Weleetka.
"Several people came forward giving us that description," Brown said.
Some individuals reported hearing the gunshots, which have helped investigators "nail down a timeline" for when the murders occurred, Brown told FOXNews.com.
Investigators have struggled to determine a motive in the killings of the girls, who were best friends. Their funerals were held Friday.
FOXNews.com's Cristina Corbin and the Associated Press contributed to this report.