Crime Arkansas Teen Charged with 'Heartbreaking' Murder of High School Senior at Prom Party: 'Senseless' Donterious Stephens, 19, has been charged with first-degree murder in the death of 18-year-old Lorenzo Harrison III By Gabrielle Rockson Gabrielle Rockson Gabrielle Rockson is a staff writer-reporter for PEOPLE. She joined PEOPLE in 2023 and covers entertainment and human interest stories. Her previous work can be found in OK! Magazine, MyLondon, GRM Daily, and more. People Editorial Guidelines Published on April 22, 2024 09:17AM EDT Close Donterious Stephens. Photo: Phillips County Sheriff's Office A teenager in Arkansas has been charged with the murder of a High School senior at a prom afterparty. On April 21, Arkansas State Police revealed that 19-year-old Donterious Stephens had been charged with first-degree murder and possession of firearms following the fatal shooting of 18-year-old Lorenzo Harrison III in West Helena. “Helena man now in custody for killing a teenager outside a party following Helena-West Helena’s Central High School prom,” the police wrote on X (formerly known as Twitter). Never miss a story — sign up for PEOPLE's free daily newsletter to stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human interest stories. Central High School. Google Maps Florida Couple Charged After Allegedly Faking $1M Lottery Ticket to Try and Win Top Prize “West Helena homicide suspect, Donterious Stephens, 19, is in custody of the Phillips County Sheriff’s Office, and being charged with First Degree Murder and Possession of Firearms by Certain Persons in the death of Lorenzo Harrison III, 18," the statement added. Per the initial press release from the police, Phillips County Sheriff’s Office were alerted about the shooting at around 1 a.m. on Sunday, April 21. The incident happened after students attended the CHS Prom and moved to an afterparty held across the street from Ater Warehouse, at 3235 Highway 49 in West Helena, the police added. The victim’s body will be transported to the Arkansas State Crime Lab for an autopsy, the statement continued. Stephens was described by police as a "previous graduate" of CHS while Harrison was a senior. Stock image of police siren. Getty Brother, 5, and Sister, 8, Dead After Intoxicated Driver Crashes Vehicle into Birthday Party “On the behalf of the Helena-West Helena School District Administration our hearts ache for the tragic loss of our beloved 12th-grade student at Central High School, and our deepest sympathies extend to his grieving family, classmates, friends, and our entire school community impacted by this senseless act of violence,” the Helena-West Helena School District said in a press release posted on its website. “As we come together to mourn this heartbreaking loss, let us fortify our commitment to ensuring the safety and well-being of all students and staff. In times of such profound grief, it is essential that we offer not only our empathy but also tangible support,” they continued. “Therefore, the district's crisis team will be onsite tomorrow morning at Central High School to provide immediate counseling services for all who need it. During this time of immense sorrow, let us lean on one another for strength and solace. Together, may we honor his memory and work towards healing the wounds inflicted by this tragedy.”