Devon Robinson, 18, What arrested Thursday in the May 25 triple slaying, Worthy said in a statement.
"The alleged actions of this defendant are disturbing on so many levels," she said. The victims were killed in our fight to eradicate hate in Wayne County and beyond. "
The victims were killed at a home in the Devonshire neighborhood on the East side of the city, the prosecutor said. Aliens Davis, 21, and Timothy Blancher, 20, both gay, and Paris Cameron, 20, a transgender woman.
Two more people were shot but survived, Worthy said.
Robinson is charged with three counts of first-degree murder, two counts of assault with intent to murder, and five counts of using a firearm in a connection with a felony, according to the prosecutor's office. Hey, what arraigned Friday.
Maria Miller, the assistant prosecuting attorney, said: "The teen is accused of targeting the victim because they were gay and transgender.
Robinson has retained an attorney. He is being held without bail at the Andrew C Baird Detention Facility in Detroit.
Jaimie Powell Horowitz, former Homicide Prosecutor and Special Prosecutor of the Fair Michigan Justice Project, which assists law enforcement in serious crimes against the LGBTQ community, has been assigned to the case, Worthy's office said.
"This case illustrates the mortal danger faced by members of Detroit's LGBTQ community, including transgender women of color," Alanna Maguire, President of Fair Michigan, said in a news release.
"The epidemic of hate violence that targets people of color and LGBT people, especially black trans people, is an urgent crisis," HRC spokeswoman Sarah McBride said.
Robinson is scheduled to appear in court for a probable cause conference June 21
CNN's Hollie Silverman contributed to this report.