Alabama authorities have arrested a fifth suspect in the mass shooting Saturday night at a 16-year-old’s birthday party in which four people were killed and dozens more wounded.

Willie George Brown Jr., 19, of Auburn, Alabama, was arrested late Thursday morning and formally charged with four counts of Reckless Murder in connection with the Dadeville mass shooting on Sunday night, according to a press release from Alabama Law Enforcement Agency.

At approximately 11:45 a.m. on Thursday, April 20, Special Agents with the ALEA State Bureau of Investigation (SBI) made the fifth arrest.

A total of five arrests have now been made after a complex investigation was conducted with assistance from a multitude of law enforcement agencies, following the shooting that occurred on Saturday, April 15, near the 200 Block of Broadnax Street in Dadeville, located in Tallapoosa County. The shooting resulted in four fatalities and 32 individuals injured.

Wilson LaMar Hill Jr., 20, of Auburn, was arrested at approximately 2:30 p.m. on Wednesday, April 19, and Johnny Letron Brown, 20, of Tuskegee, was arrested at approximately 8 a.m., on Thursday, April 20.

All individuals arrested in connection to this death investigation have been charged with four counts of reckless murder and they have been booked into the Tallapoosa County Jail with no bond.