This is manufactured outrage for likes, it's simple to find AP articles referring to Michael Brown as a "black teenager":
Missouri crowd after shooting: 'Kill the police'
"FERGUSON, Mo. (AP) — The fatal shooting of a black teenager by police sent hundreds of angry residents out of their apartments Saturday in a St. Louis suburb, igniting shouts of “kill the police” during a confrontation that lasted several hours."
Timeline of events in shooting of Michael Brown in Ferguson
"Later this month, Jones will become the face of the St. Louis suburb that erupted into chaos nearly six years ago after a white police officer fatally shot Michael Brown, a black teenager."
As well as AP articles using "white gunman" or ""white 18-year-old" to describe the Buffalo shooter:
Buffalo supermarket shooting: What do we know so far?
"On Saturday afternoon, a white gunman in military gear attacked shoppers and workers at a supermarket in Buffalo, New York, killing 10 people and wounding three others. Most of the victims were Black. Officials said they are investigating the shooting as a racially motivated hate crime."
Supermarket shooter sought Black neighborhood, official says
"The white 18-year-old who shot and killed 10 people at a Buffalo supermarket had researched the local demographics while looking for places with a high concentration of Black residents, arriving there at least a day in advance to conduct reconnaissance, law enforcement officials said Sunday.
Authorities said the gunman shot, in total, 11 Black people and two white people Saturday in a rampage motivated by racial hatred that he broadcast live."
10 dead in Buffalo supermarket attack police call hate crime
"A white 18-year-old wearing military gear and livestreaming with a helmet camera opened fire with a rifle at a supermarket in Buffalo, killing 10 people and wounding three others Saturday in what authorities described as “racially motivated violent extremism.”....
"The suspected gunman in Saturday’s attack on Tops Friendly Market was identified as Payton Gendron, of Conklin, New York, about 200 miles (320 kilometers) southeast of Buffalo."