“…The public health response to the opioid overdose epidemic has been challenging, given the proliferation of illicit fentanyl and fentanyl-adulterated drugs across the continent (Ciccarone, 2017; Fairbairn, Coffin, & Walley, 2017). Given the reality of a poisoned illicit drug market, there has been a variety of public health interventions implemented in various settings to address the overdose crisis, including naloxone training and distribution (Bardwell, Fleming, Collins, Boyd, & McNeil, 2019; Sherman et al, 2009; Tobin, Clyde, Davey-Rothwell, & Latkin, 2018), drug checking programs (Bardwell & Kerr, 2018; Krieger et al, 2018; Peiper et al, 2019; Tupper, McCrae, Garber, Lysyshyn, & Wood, 2018), and supervised injection sites (Boyd et al, 2018; Kral & Davidson, 2017; Strike & Watson, 2019; Wallace, Pagan, & Pauly, 2019).…”