He made the threat in 2008, when George W. Bush was President.
“He made the threat in 2008, when George W. Bush was President.”
He threatened to kill Obama.
http://www.newsweek.com/nathan-larson-incel-pedophile-congress-2018-virginia-representative-953227
This is an event that actually happened. It’s not an opinion where people are free to decide for themselves whether he threatened Bush or Obama. A quick search will save you the embarrassment of arguing against the known facts.
However, due to sloppy journalism you are hereby pardoned. Obama was president-elect at the time of the threat in December 2008. The detailed threat was to kill the president at some time in the future.
Here are more specifics: