(Portland, OR) -- There have been six inmate deaths this year in the Multnomah County Jail compared to three deaths last year and none in 2020 and 2021. Two deaths this year were from suicide. Four deaths remain under investigation. Jail officials are concerned drug overdose might be responsible. The Sheriff's Office is expanding the availability of Narcan to reverse a drug overdose, increasing searches for contraband, and conducting investigations to hold people accountable for bringing drugs into the jail