A recent Twitter and Facebook post to official Marine Corps Special Operations Command social media accounts has sparked online backlash. “Don’t be lone shooter #MLK weekend! make sure you’ve got security- stay safe!” the post read. The post was made at 10:52 a.m. leading into the long three-day weekend, but removed about thirty minutes later after social media users questioned the posts wording and intended meaning. Some were bothered that it appears to reference the 1968 assassination of civil rights leader Martin Luther King, Jr. who was killed by a lone shooter. MARSOC could not be reached for comment, but…