Police career Davao City and CIDG Garma was a long-time officer of the
Philippine National Police (PNP) in
Davao City. From 1996 to 1998, Garma was the anti-vice unit head of the city police during
Rodrigo Duterte's third term as Davao City mayor. From 1999 to 2004, under mayor Benjamin de Guzman she led the city police's women and children's protection desk. She was officer for the
Criminal Investigation and Detection Group (CIDG) working assignments in
Metro Manila and Davao from 2004 to 2007. Aside from the drug war, Garma committed to make the arrest of
Philippine Benevolent Missionaries Association supreme master and fugitive
Ruben Ecleo Jr. possible as CIDG Region 7 head.
Cebu City On July 1, 2018, Garma assumed the position of chief of the
Cebu City police. This was despite then-mayor
Tomas Osmeña's opposition with the appointment due to allegations that Garma was receiving a weekly bribe as CIDG head. Her relationship with the mayor was not cordial with Garma filing an obstruction of justice case against Osmeña for ordering the release of three suspects who were caught illegally refilling butane canisters with liquefied petroleum gas within the same year. This case was dismissed by the Ombusdman in 2024. In October 2018, Garma led an operation in Cebu City as part of the wider
war on drugs of then President Rodrigo Duterte. A man suspected to be a drug user was allegedly shot in his sleep. The man's mother, through a sworn statement read in the 2024 congressional inquiries an alleged Garma visited the man's wake by his family and was quoted to have yelled "Why is there only one dead?". PNP Region 7 chief
Debold Sinas would praise the Cebu City police role under Garma in
Duterte's war on drugs including the busting of the Ygot Drug Syndicate, and the confiscation of worth of suspected
methamphetamine which is the biggest in the history of the city police. That would be her final police assignment before opting an early retirement in 2019 with ten years left before reaching the mandatory retirement age of 56. She held the rank of Police Lieutenant Colonel.
PCSO general manager After 15 days from retiring, She served the role from July 15, 2019 until 2022.
Wesley Barayuga killing PCSO board secretary
Wesley Barayuga was shot dead in July 2020 in
Mandaluyong. In September 2024, Santie Mendoza of the Philippine National Police-Drug Enforcement Group (PNP-PDEG) alleged that the death was an assassination claiming that
National Police Commission Commissioner Edilberto Leonardo and Garma wanted Barayuga dead for the PCSO's official's alleged involvement in illegal drug trade. General
Rommel Marbil ordered the immediate full re-investigation of Barayuga's murder based on the new evidence, including the testimony of key witnesses Edilberto Leonardo and Garma during a House of Representatives quadcom hearing. ==Post-retirement and congressional inquiry==