Regulations implemented this month along America's busiest southern border crossing would force Border Patrol agents to free captured illegal aliens even if they're known to be guilty of terrorist activity. Border Patrol sources tell San Diego's TV News 10 that under the new guidelines, the criminal history of smugglers or illegal immigrants will be considered only if they've been convicted of murder, manslaughter, kidnapping, rape or multiple felonies in the past five years. "If they have committed a crime longer than seven years ago, it will not be considered -- that includes crimes like child pornography, weapons crimes and even...