Alon Ohel was taken in the early hours of Oct. 7. He is a talented pianist, and his mother believes that music can keep them connected: "It's not the hearing — it's the vibe, it's the energy."

The U.N. has announced it has launched an investigation into the allegations. The U.S., which said 12 employees were involved, said it would pause funding to UNRWA, which provides aid to Palestinians.