evidence: Biden left out important context when he said that the Trump administration "oversaw the largest increase in murders ever recorded." The increase in the number of murders from 2019 to 2020 was the largest one-year increase since data was systematically recorded in the early 1960s, but this was largely beyond Trump’s control; experts say the spike stemmed from a confluence of the coronavirus pandemic and the societal upheaval after George Floyd’s murder that year.