 Negotiations with the subject were unsuccessful, and the subject ended up barricading inside a residence there in Nikiski. The AST dispatch says that the Nikiski Fire Department mobile crisis team negotiated with Requena, who was suffering from drug-induced paranoia, for over 90 minutes, but that his erratic and aggressive behavior continued to escalate. According to the report, Requena was armed with a knife and noncompliant. At this point, Zweifel says the decision was made to activate the SWAT team.