Published: Apr 03, 2013 11:40 PM EDT
Updated: Apr 04, 2013 10:29 AM EDT

DENVER (AP) - Authorities investigating the death of Colorado's prisons chief are telling law enforcement officers to watch out for two men associated with a white supremacist prison gang.
    
El Paso County sheriff's Lt. Jeff Kramer says deputies are seeking 47-year-old James Lohr and 31-year-old Thomas Guolee in connection with the death of Tom Clements.
    
Kramer says they aren't suspects, but their names surfaced during the investigation. They could possibly be headed to Nevada or Texas but aren't necessarily together.
    
Kramer said Wednesday that both men are associates of the 211 Crew. That's the same gang whose members included Evan Ebel (EE'-bul), who is suspected of fatally shootings Clements on March 19 and a pizza delivery driver two days earlier.
    
Ebel was killed in a shootout with Texas authorities after their deaths.