TODAY | August 24, 2013
>>> in las vegas , two people are behind bars this morning, accused of plotting to capture and kill police officers . law enforcement officers are very concerned about this one. they are part of a growing group that renounces government. here is our justice correspondent, pete williams .
>> reporter: the plan to detain and kill police officers was hatched by two people who claim police lack the power to make arrests. they charged david allen , 42, and devon campable, 67.
>> they were plotting to kidnap and kill police officers .
>> reporter: the two plans to follow police on patrol. when an officer made a traffic stop , they would take them a way to a house where the officer would be tied up and killed. she's not violent.
>> i have never intended to harm of kidnap anyone.
>> reporter: she said the police often act without authority.
>> i feel they are going far beyond what the constitution allows.
>> reporter: police say they were members of a movement called sovereign citizens with 100,000 citizens nationwide. they believe most of what the government does is illegitimate. the stop of a citizen became violent when a follower got out and started shooting. two officers were killed.
>> they are so loopy, a small percentage cannot control themselves and they resort to violence against the police or local authorities.
>> reporter: the fbi says many are not violent. james turner sentenced to 18 years in prison.
>> you can be a u.s. city or an american but not both, it's impossible.
>> reporter: they showed up in court report. both remain in jail until a court hearing in two weeks. pete williams , nbc news, washington.