Mr. Mike Horn, representing the Colorado State Patrol and the Association of Colorado State Patrol Professionals, Mr. John Camper, Director of the Colorado Bureau of Investigation, Ms. Cynthia Kowert, representing the Attorney General's Office, and Mr. Sean Harper, representing the Fraternal Order of Police, testified in opposition to the bill. Mr. Camper explained that state law enforcement are already bound to uphold the state constitution. He also explained that the bill will lead to confusion, might inhibit information sharing among agencies, and could be ruled unconstitutional. Ms. Kowert discussed the burdens the bill may place on law enforcement. Mr. Harper discussed the difficulties that the bill may create in terms of cooperation between various law enforcement agencies. Mr. Harper responded to questions regarding how the bill may affect officers serving on federal task forces. Mr. Horn provided further input regarding how the bill might inhibit interagency cooperation. Discussion ensued regarding policing of marijuana-related activities protected under the Colorado Constitution.