The young man who died after making an assassination attempt against Donald Trump reportedly posted a cryptic online message in advance of the attack. Jacqui Heinrich, Senior White House Correspondent for Fox News, reported Wednesday evening that Fox learned that Senators had been briefed on the postings on a gaming website. “Fox has learned that Senators were told in the all-member briefing today that Thomas Crooks wrote on a gaming platform called ‘Steam’, ‘July 13 will be my premiere, watch as it unfolds,'” the report states. “When investigators reviewed the laptop, they found a few searche…