[JURIST] The US Supreme Court [official website; JURIST news archive] Thursday ruled [opinion, PDF] in Fowler v. United States [Cornell LII backgrounder] that under a federal witness tampering statute [18 USC 1512(a)(1)(C) text] the government must show there was a reasonable likelihood the witness would communicate relevant information to federal officers. Charles Fowler was convicted of killing a local police officer who had caught him and a group of accomplices preparing to rob a bank. The 7-2 opinion by…