We're a few days shy of the one-year anniversary of the death of Alton Sterling, the 37-year-old black man who was gunned down by Baton Rouge Police while selling CDs outside a convenience store, and the officers who killed Sterling have not been convicted.

The unjust killing of Sterling led to nationwide outrage and to a series of violent protests.

One of these protests is at the center of a new lawsuit.

This week, attorneys representing an anonymous wounded police officer filed a lawsuit against Black Lives Matter that names DeRay Mckesson and four other members as defendants. The suit centers on an incident in which a gunman opened fire on police officers during a protest in Baton Rouge, Louisiana on July 17.

At that protest, 29-year-old former Marine Gavin Long from Kansas City, Missouri, killed three officers and wounded three others using a semi-automatic rifle.  

Long left a note explaining his actions, in which he stated that he believed he had to inflict harm "upon bad cops as well as good cops in hopes that the good cops (which are the majority) will be able to stand together and enact justice and punishment against bad cops."

The Associated Press states that the suit's unnamed officer is likely East Baton Rouge Parish Sheriff's Deputy Nicholas Tullier, who was shot in the head, stomach and shoulder by Long. Tullier awoke from his vegetative state after being in a Houston rehabilitation hospital since November.

The suit claims that Mckesson was "in charge of" a July 9 protest that "turned into a riot." It goes on to say that "Mckesson did nothing to calm the crowd and, instead, he incited the violence."

"This is quite a world," Mckesson said in response, before adding that he couldn't make any further comments until conferring with his lawyer.

In the suit, Long is described as an "activist whose actions followed and mimicked those of" the sniper who killed officers in Dallas days earlier.

The suit links Long to Mckesson and Black Lives Matter with the claim that BLM incited others to harm police "in retaliation for the death of black men killed by police" and "all but too late" began to denounce the shootings of police after the Baton Rouge attack.

This isn't the first suit to be brought against Mckesson and Black Lives Matter.

A separate suit related to the same protests was heard in court last month. At the proceedings, Mckesson's lawyer, Bill Gibbens, argued that Black Lives Matter cannot be sued, as it is a movement, not an organization. No ruling on this suit has been announced.

The is new suit explicitly names defendants that are people, who can be sued.

Further details have yet to unfold on the case.