NORTH LAS VEGAS (FOX5) -- North Las Vegas police arrested the ex-boyfriend of a 19-year-old UNLV student in her shooting death last week.
Paula Marie Davis, 19, died from gunshot wounds of the head, according to the Clark County Coroner's office. Davis' death was ruled a homicide.
Davis was studying economics at UNLV, according to the school. She was also a graduate of the Las Vegas Academy of the Arts and graduated last year.
A friend described her to FOX5 as warm -- always smiling and loved to run.
Officers were called to the area of Simmons Street and Gowan Road around 9 p.m. on Sept. 6 after receiving reports of a missing person.
According to police, officers found Davis in a van suffering from an apparent gunshot wound. Medical personnel who arrived pronounced the woman dead at the scene.
North Las Vegas police said the woman was reported missing around 7 p.m. by family members. Her cellphone was tracked to a park on the 3700 block of Simmons.
Family members saw Davis' van in the parking lot where they discovered the woman suffering from her injuries, police said.
On Tuesday night, police announced the arrest of 21-year-old Giovanni Ruiz in connection with this shooting. The two were "previously in a dating relationship."
UNLV confirmed Ruiz was also a UNLV student, in the graduate college for accounting. In May, he received a bachelor's degree in business administration.
Ruiz faces a charge of open murder with a deadly weapon.
Anyone with any information was asked to contact NLVPD at 702-633-9111. Anonymous tips can also be sent to Crime Stoppers at 702-385-5555.