48 Hours Correspondent

Newspaper reporter Martha Belisle went to Mexico trying to retrace Darren's steps and met hotel employee Virginia Delgadillo, who claimed she met a man fitting Darren's description.

And an airline pilot staying at the same resort also reported he thought he had seen the millionaire fugitive. FBI agents soon descended on the Mexican hotel.

And an airline pilot staying at the same resort also reported he thought he had seen the millionaire fugitive. FBI agents soon descended on the Mexican hotel.

And an airline pilot staying at the same resort also reported he thought he had seen the millionaire fugitive. FBI agents soon descended on the Mexican hotel.

Then exactly one week after he disappeared came the shocking announcement that Darren Mack, hiding somewhere in Mexico, wanted to surrender.

Then exactly one week after he disappeared came the shocking announcement that Darren Mack, hiding somewhere in Mexico, wanted to surrender.

Then exactly one week after he disappeared came the shocking announcement that Darren Mack, hiding somewhere in Mexico, wanted to surrender.

Dick Gamick, a longtime Mack family friend, is Reno's District Attorney.

Dick Gamick, a longtime Mack family friend, is Reno's District Attorney.

Dick Gamick, a longtime Mack family friend, is Reno's District Attorney.

While he was still in hiding, Darren's family had retained two high-priced defense attorneys.

While he was still in hiding, Darren's family had retained two high-priced defense attorneys.

While he was still in hiding, Darren's family had retained two high-priced defense attorneys.

David Chesnoff and Scott Freeman took over the surrender negotiation.

David Chesnoff and Scott Freeman took over the surrender negotiation.

David Chesnoff and Scott Freeman took over the surrender negotiation.

But what's not in dispute is they see Darren as a man pushed to the limit.

But what's not in dispute is they see Darren as a man pushed to the limit.

But what's not in dispute is they see Darren as a man pushed to the limit.

But a series of emails Darren sent while on the run reveal a disturbing picture of this man. For example, in one message, he holds himself up as a martyr for the father's rights movement, saying, remember, they want me as a sacrificial lamb. They want the pleasure of executing me.