Erica Davies, The Sun, April 12, 2020

Brayan Segura, who also uses Rivas as a surname, allegedly stabbed Janina Valenzuela multiple times before tossing her lifeless body into a creek in Georgia.

The day after the murder, the 15-year-old told cops he killed the teen girl as part of an initiation rite into the deadly MS-13 street gang, police said.

Segura believed Valenzuela was a member of the MS-13 rival 18th Street gang, according to his arrest warrant.

He told investigators that an “unknown person” helped him kill the girl at an apartment complex in Marietta, police told the Atlanta Journal Constitution.

The accused killer allegedly attempted to conceal Valenzuela’s death by continuously lying to police throughout the investigation.

Investigators were called to the complex late Wednesday after another young man allegedly reported his girlfriend missing to authorities.

“He stated he tried to find her but was unable and that she had been missing for approximately two hours before he called 911 for help,” Marietta police told the news outlet.

Detectives found Valenzuela’s body at a nearby creek Thursday afternoon, authorities said.

A GoFundMe was created Friday to help her family with funeral costs.

Segura was arrested Thursday morning and faced a litany of charges, including murder and aggravated assault.

He’s been charged as an adult and was hauled off on Friday to Cobb County jail, where he’s being held without bond.

The teen from Ecuador also has an Immigration and Customs Enforcement hold while investigators determine whether he’s staying in the US legally.

Authorities said the investigation into Valenzuela’s death is ongoing.