UPDATE SEPT. 11: Giovanni Ruiz is a graduate student at UNLV, according to a university official.
Cindy Brown, UNLV's Senior Director of Public Affairs, says Ruiz is currently enrolled as a graduate student pursuing a master's degree in accounting. She says Ruiz graduated from UNLV in May with a bachelor of science in business administration.
UPDATE SEPT. 10: North Las Vegas police have arrested 21-year-old Giovanni Ruiz in connection with the homicide investigation into Paula Davis' death, authorities say.
According to police, Ruiz and Davis were previously in a dating relationship.
Ruiz was arrested and booked in the Las Vegas City Jail on the charge of open murder with a deadly weapon.
Anyone with information in this case is asked to call the North Las Vegas Police Department at 702-633-9111 or, to remain anonymous, call Crime Stoppers at 702-385-5555.
UPDATE SEPT. 9: The Clark County coroner has identified the woman killed in the park as 19-year-old Paula Davis from North Las Vegas. The coroner says she was shot in the head and her death was ruled a homicide.
NORTH LAS VEGAS -- North Las Vegas Police are investigating the death of a woman whose body was found at a park Friday night.
Family members had reported the 19-year-old woman missing at around 7 p.m.
They tracked her cell phone to the park located on the 3700 block of Simmons Street, north of West Gowan Road, and located the woman's van in the parking lot at just after 9 p.m.
She was found inside suffering from an apparent gunshot wound and police were called.
Medical personnel pronounced the victim deceased at the scene.
Police are not releasing suspect information at this time but believe the victim and suspect knew each other.