The 21-year-old Air National Guardsman suspected of spilling a trove of classified US documents online frantically searched the word “leak” on his government-issued computer — on the same day the public found out about the intel breach, court records unsealed Friday allege. Jack Teixeira started trawling through classified intelligence reports looking for the phrase on April 6, the date the New York Times published its first article detailing how secrets of the Ukraine war had been posted on Twitter and Telegram, according to an FBI affidavit. Teixeira’s search was detected by an unidentified government agency “which can monitor certain searches...