The death toll in Louisiana has risen to 13, ABC News reports. Homeland Security Secretary Jeh Johnson will visit the state on Thursday to review the federal government’s response to what Governor John Bel Edwards called “unprecedented” flooding.

Just nine days before a shooter gunned down Baton Rouge police officer Montrell Jackson and two others in the line of duty, Jackson penned an emotional Facebook post calling for peace in the wake of Alton Sterling’s death.

Citing law enforcement and military sources, CBS News has identified the deceased gunman who killed three police officers and wounded three others in Baton Rouge on Sunday as 29-year-old Gavin Eugene Long, a former Marine who used the pseudonym “Cosmo Setepenra” online.

Authorities said that multiple officers were shot near a shopping center in Baton Rouge, Louisiana Sunday morning, according to the Associated Press.

On Wednesday, the ACLU of Louisiana and four other groups filed a lawsuit against the City of Baton Rouge, its police department and several other area law enforcement agencies, accusing authorities of violating the constitutional rights of protesters demonstrating against the shooting of Alton Sterling. About 200 marchers have been arrested in Baton Rouge since Sterling was killed by police last week, NOLA.com reports.

After DeRay Mckesson and more than 100 other protestors demonstrating against police shootings were arrested in Baton Rouge Saturday night, the Black Lives Matter organizer was released from custody on bond Sunday afternoon, The Washington Post reports. Mckesson says the charges against him have not been dropped.

On Saturday night, police arrested several activists and journalists at protests across the country over the highly publicized fatal police shootings of two black men this week. On Monday, a police officer shot and killed Alton Sterling in Baton Rouge, Louisiana as he was being held down by two other officers, and on Wednesday a cop mortally shot Philando Castile in Falcon Heights, Minnesota as Castile was reaching for his driver’s license during a routine traffic stop. Both murders were documented in videos that went viral.

Abdullah Muflahti, the owner of the convenience store outside of which his friend Alton Sterling was killed on Tuesday, has shared new footage of the shooting with The Daily Beast. The video—filmed at a different angle than the video that emerged earlier this week—appears to contradict the claim by authorities that Sterling was threatening police with a gun.

The Justice Department has opened a civil rights investigation into the fatal shooting of Alton Sterling, a 37-year-old black man, by Baton Rouge police on Tuesday, the New York Times reports. The incident was partially captured on video. “I have very serious concerns,” Louisiana governor John Bel Edwards said. “The video is disturbing, to say the least.”

This morning, Quinyetta McMillan—the mother of the oldest son of Alton Sterling, the black man who was shot and killed by two white cops in Baton Rouge late Monday night—held a press conference about Sterling that everyone should watch.

According to WAFB, police in Baton Rouge, Louisiana, say an officer fatally shot 37-year-old Alton Sterling while responding to a report of a man threatening someone with a gun early Tuesday morning.

The wealthier portion of Baton Rouge, Louisiana wants to spin itself off into its own little school district, leaving the poorer portion of the city with far less revenue for schools. This is, sadly, a trend that shows no sign of abating.

You know the difference between the putrid air of the metropolitan area and the searing sting of fresh air out in the country. But which cities are the most toxic? A new study finds out.

New Orleans had 64 killings per 100,000 residents in 2008, far outdistancing its nearest competitor, St. Louis. Baton Rouge came in at No. 7. [New York Times]