Crime N.J. Grandma Is Fatally Shot on Porch on Her Birthday While Releasing Balloons for Late Twin Sister Debra Derrick, 63, was killed more than a year ago on March 11, 2021 By Chris Harris Chris Harris Twitter Chris Harris has been a senior true crime reporter for PEOPLE since late 2015. An award-winning journalist who has worked for Rolling Stone and MTV News, Chris enjoys prog rock, cycling, Marvel movies, IPAs, and roller coasters. People Editorial Guidelines Published on April 27, 2022 10:05 AM Share Tweet Pin Email Debra Derrick. Photo: Debra Derrick Facebook Two brothers have been charged with murder in New Jersey, where authorities allege they fatally shot a grandmother who was celebrating her 63rd birthday. Debra Derrick was killed more than a year ago on March 11, 2021, according to a statement from the Essex County Prosecutor's Office. She was fatally shot at around 8 p.m. on the night of her birthday. Derrick was killed while standing on her front porch in Newark, N.J., where she was releasing balloons in honor of her late twin sister. The twin sister had died seven years earlier, the statement says. Derrick worked as a certified nursing assistant at Newark Beth Israel Medical Center. Investigators identified the alleged shooters as Jonathan Ritchie, 21, and his brother Josiah Ritchie, 19. Jonathan Ritchie, Josiah Ritchie. Essex County Prosecutor's Office (2) In addition to murder, the Newark men are charged with conspiracy to commit murder and weapons-related offenses. The two had previously lived in Atlanta. Derrick was not the intended target of the shooting, officials say. Want to keep up with the latest crime coverage? Sign up for PEOPLE's free True Crime newsletter for breaking crime news, ongoing trial coverage and details of intriguing unsolved cases. It was not immediately clear if the two defendants had attorneys who could comment on their behalf. They remain in custody, but have not entered pleas to the charges. Derrick's sister, Ramona Derrick, spoke to NJ Advance Media last year, and said her sister "always had an open heart." Of the shooting, she told the site: "She was caught in the crossfire. She was making sure that everybody was safe. She was pushing the two granddaughters in the door."