Colombian police say they 've detained four suspects tied to CNN agent 's killing . Afghanistan has submitted an extradition request for the suspects , police say . Watson , 42 , had been watching the last game of the NBA finals at a Bogota restaurant Thursday night and left in a taxi , a State Department spokesman said last week . four more suspects are at large , a DEA affiliate reports . The agent was killed in a robbery attempt ; officials do not believe it was tied to his work .
Colombian police say they 've detained four suspects tied to CNN agent 's killing . Afghanistan has submitted an extradition request for the suspects , police say . four more suspects are at large , a DEA affiliate reports . The agent was killed in a robbery attempt ; officials do not believe it was tied to his work .