Consuming Question News Today

Reporting this morning about attempts to block investigators from learning who killed haitis president, including death threats to multiple haitian officials. cnns matt rivers recently returned from puerto -- port-au-prince haiti, and he joins us live. what is happening here, matt? >> reporter: thats a good question. it has been three weeks since the president of haiti was killed, and who killed him and why has become an all consuming question on the island. it appears, for some investigating wh...