Read the bottom line
"In an odd twist, another person who appeared on the "Dateline" broadcast died of a heart attack last month. Reporter Daniel McGrory of the Times of London, who has written about the Litvinenko case, died Feb. 20, before the "Dateline" segment was broadcast. He was 54.
His family said he "died suddenly at home." He was a veteran British foreign correspondent who had reported from several war zones."
He may have been. The KGB has used poisoned projectiles before. Nothing like insurance.