The hacks are "strikingly similar" to the Russian cyberattacks launched against Hillary Clinton in 2016.
Trump claimed the killing was intended to stop an imminent attack, but he approved strike seven months earlier.
The plane caught fire before it crashed and never sent a distress signal, according to reports.
Clinton's threat to "obliterate" Iran came in response to the country potentially launching a nuclear strike against Israel.
Trump says no American or Iraqi casualties after Iran's missile attack.
The Pentagon said the letter was an "honest mistake" and should not have been released.
Trump's strike threatens to plunge the US into war with Iran.
The move could delay the case against him until after the election, Israel's third in less than a year.
Kim says Trump broke his promises by continuing to arm South Korea.
Nearly 5,000 troops will deploy after protesters swarm embassy amid rising hostilities with Iran.
