Mr. Hackman's body was found inside his home, along with those of his wife and a dog. The sheriff in Santa Fe, N.M., said it was likely Mr. Hackman died on Feb. 17, nine days before the bodies were discovered.
The vice-president denied that he was talking about Britain and France when he downplayed "20,000 troops from some random country" protecting Ukraine. No other countries have pledged troops.
"We are working on all possible scenarios to protect Ukraine," said President Volodymyr Zelensky, whose country was looking to European allies for support.