Methamphetamine investigation leads to 19 arrests (AP) — The Oklahoma Bureau of Narcotics says 18 people were arrested in eastern Oklahoma and one in Texas as part of a 10-month investigation into the distribution of methamphetamine. OBN spokesman Mark Woodward says agents began serving the warrants about 6 a.m. Thursday in the Okmulgee and Henryetta areas and one arrest was made in Dallas.