There were multiple missed opportunities to investigate and possibly arrest an expelled University of Arizona graduate student who shot and killed a professor last year, according to an independent review.

An inmate died at an Arizona prison Saturday and authorities said it is being investigated as a homicide.

An Arizona rancher accused of killing a Mexican man on his land near the U.S.-Mexico border pleaded not guilty Monday to murder and other charges.

An Arizona rancher accused of shooting at a group of migrants on his property near the U.S.-Mexico border, killing one man, will face trial on charges including second-degree murder and aggravated assault, a judge ruled.

The lawyer for an Arizona rancher being held on $1 million bond says her client did not shoot and kill the Mexican man whose body was found on his property last month near the U.S.-Mexico border, but earlier that day fired warning shots at smugglers carrying AK-47 rifles and big backpacks on his land.

A rancher who lives near Arizona's border with Mexico is being held on a charge of first-degree murder in last week's fatal shooting of a man tentatively identified as a Mexican citizen. His bail was set at $1 million.

The trial of a man accused of fatally shooting nine people in the Valley over an 11-month span has been pushed back again, this time to February 2024.

A judge has denied a new trial for a man convicted in the first of two murder cases in Tucson.

PHOENIX (AP) — The state is going to seek the death penalty if a man is found guilty of sexually attacking and fatally stabbing two young women in separate killings nearly 30 years ago near a metro Phoenix canal system.

The U.S. Supreme Court has rebuffed a bid by Attorney General Mark Brnovich to rule that prosecutors are entitled to multiple attempts to convict someone of first-degree murder even after a jury effectively has found the charge has no legal merit.