After traveling to Split, he joined The Serious Road Trip, a humanitarian aid organization distributing food and medicine to places the United Nations and the Red Cross would not go.

In 1997, when U2 finally performed in Sarajevo during their PopMart Tour, Carter was in the audience, meeting with the friends he had made during the siege.

[3] Carter wrote an acclaimed memoir about these experiences titled Fools Rush In that was shortlisted for a BBC book club upon first publication [4] and received critical praise from Bono, Jon Krakauer, Jim Harrison and Charles Bowden among others.

[5] Carter's second book, Red Summer, tells the story of his time as a commercial salmon fisherman in a remote Alaskan village over a four-year span.

The book goes from Arizona to Indonesia to Bristol Bay, Alaska and back again and has received high marks from renowned authors including Sebastian Junger, Luis Alberto Urrea, Jim Harrison and more.