Rep. Neguse introduces bill to ban use of ketamine during person's arrest or detention Copyright 2021 Scripps Media, Inc. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed. Denver7 Ketamine is a powerful sedative regularly used in hospitals, but paramedics are increasingly using it to help police arrest suspects they feel are out of control. and last updated 2021-06-15 00:54:38-04 DENVER â Nearly two years after the death of Elijah McClain in Aurora, Rep. Joe Neguse, D-Colo., introduced a bill Monday that would, if passed, ban the use of ketamine during a personâs arrest or detention outside a hospital setting.