Piers Morgan spoke exclusively to ITV Daybreak, after 100,000 Americans signed a petition calling for his deportation.
The British broadcaster spoke out about America's gun control laws after a school shooting spree that left 27 people dead.
Morgan said: 'The bottom line, is I'm going to be staying in America'.
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The former footballer said he hopes speaking about his grief will help others who find it difficult to talk about their feelings.
Royal Marine Alexander Blackman has spent more than three years in jail since being convicted of murdering an insurgent.
There are believed to be less than 250 of the global population remaining due to poaching and loss of habitat.