Here are the things you need to  know today......

Authorities say the gunman who killed two Baton Rouge, Louisiana police officers and a sheriff's deputy Sunday was a former Marine sergeant who served in Iraq. Authorities say 29-year-old Gavin Eugene Long of Kansas City, Missouri, opened fire near a convenience store and beauty supply shop, killing the officers and wounding three others. Long was shot dead by police.

St. Mark’s Episcopal Church in Augusta as well as its buildings is for sale. According to the KJ, that means the Augusta Food Bank, the warming shelter, Addie’s Attic Clothing Bank and Everyday Basics Essentials Pantry might need new homes. The church is working with these groups to find new locations to continue their services.

From the Associated Press, The Republican National Convention kicks off Monday, and instead of it being a "showbiz" convention as Donald Trump had promised, it's shaping up to be a staid family-focused affair. The convention lineup features everyday Americans, successful business people and four of Trump's five children. Campaign chairman, Paul Manafort says the plan is to " help the American people understand more about Donald Trump the man, not just the candidate that they've seen on the campaign trail."

Officials in a northern Maine town will air a plan to drug test welfare recipients that would be the first of its kind in the state. Madawaska is considering the new rules that would apply to the state's General Assistance program, which is run by the state and provides money for things like housing and food.

Some holders of electronic benefits transfer cards find that dialing the phone number on the back of the cards gets them a sex line, not their balances. Sun Journal reports that officials have been aware for months that the phone number on some cards is off by one digit. The department plans to replace the misprinted cards and strengthen its review process to prevent future errors.

Portland police arrested 18 protesters at a Black Lives Matter rally after authorities say they blocked traffic on Commercial Street and pushed against a vehicle as it attempted to drive down the thoroughfare. WCSH-TV reports that members of the Portland Racial Justice Congress staged the rally to promote demands that Portland Police Chief Michael Sauschuck acknowledge tensions between police and people of color nationwide.