a new book by "dallas morning news" correspondent alfredo corchado seeks to understand why.orchado was brought to the united states as a small boy, yet in 1994 he felt drawn to return to mexico as a journalist. his new book, "midnight in mexico: a reporter's journey through a country's descent into darkness," draws on his nearly twenty years of reporting there, and his personal relationship with his birth land. corchado joins me now, and welcome. >> thank you. >> warner: last time we saw each other was mexico city. >> right before the election. >> warner: now the book opens with this harrowing tale of you getting a phone tip from a source saying someone is about to kill an american journalist in the next 24 hours, and he thinks it's you. everyone tells you to get out of mexico, and you stay to investigate. why? what did you think you would learn by following the thread of who was after you? >> well, you know, that was a real turning. we left as... i was only six years old when we left mexico, and i always thought i would come back someday. and my mother always thought that r