Who is responsible when a ship is abandoned at sea?

Aired: 1/2/2015 | 0:03:36 | Clip
A ship filled with refugees heading toward Italy was abandoned by its crew before making it to shore, the most recent case in an uptick in human smuggling. Hari Sreenivasan talks to Daryl Grisgraber of Refugees International about why human smuggling has become such a lucrative business option and who is responsible when hundreds of migrants are left at sea.