SA government backs away from Matrix drug pilot program in Riverland ThuThursday 11 updated ThuThursday 11 MarMarch 2021 at 5:30am Natalie Davis and brother Darren with their graduation bears, with (from left) MP Tim Whetstone, PsychMed acting director Quentin Black, psychologist Tina Makris and mentor Nicole Bowering. ( Print text only Cancel The state government has pulled its support of a drug program after being unsatisfied with a trial it funded for two years to help tackle ice addiction in a regional community. Key points: MP Tim Whetstone says not enough evidence has been provided to continue the pilot The Matrix program director says its own results from the trial are promising