A man waits for his drug's lab results at the Check Your Substance booth that offers free drug testing, where people can confirm their drug does not contain adulterants or fentanyl, at a three-day ...

or if I stop using drugs I’ll be happy,” said Lilia Pacheco, operational director of PrevenCasa A.C., a Tijuana-based organization that runs harm-reduction initiatives for opioid users ...

or if I stop using drugs I’ll be happy,” said Lilia Pacheco, operational director of PrevenCasa A.C., a Tijuana-based organization that runs harm-reduction initiatives for opioid users ...

or if I stop using drugs I’ll be happy,” said Lilia Pacheco, operational director of PrevenCasa AC, a Tijuana-based organisation that runs harm-reduction initiatives for opioid users ...

Amidst the usual festival fare, a booth provided free, anonymous drug testing. The initiative, known as “Checa tu Sustancia” (Check Your Substance), is one of several recent efforts by Mexican ...