Fallon, who served with the Arizona Department of Public Safety since 2015, died peacefully this week following a battle with cancer.

Fallon was 9 years old and spent the majority of her time at the Arizona Counter Terrorism Information Center in Phoenix, “where detectives, analysts and other personnel are often tasked with handling distressing information and images of crimes,” officials said in a release.

She also made visits to units agencywide following stressful events, such as critical incidents or employee illness, and visited partner agencies when extra support was needed.

“Fallon’s sweet and comforting demeanor had the unique ability to help people decompress even during the most challenging times,” the release stated.

Fallon was donated to AZDPS by the 100 Club of Arizona and For Those Without A Voice when she was almost 2 years old. She was originally intended to work as both an electronics detection and service dog, sniffing out hidden storage devices and digital evidence while also helping employees cope with stressful situations, according to the release.

However, her handlers said they quickly discovered her loving and outgoing personality made her better suited solely for service work. She was eager to seek affection from everyone she met, usually in the form of belly rubs.

“She had no shame about it,” said Detective Jeff Easton, one of Fallon’s longtime handlers. “She would walk up to people, stare at them and roll over. She loved that.”

While her favorite activity was simply being around people, Easton said Fallon was always ready to work, eagerly waiting at the door to put on her harness and jump in the car each day.