At least 75 percent of the names had been provided by Canary Mission, Hatch said. (Canary Mission did not immediately reply to The Verge’s request for comment.) In March, ICE agents arrested Mahmoud Khalil, a Palestinian Columbia graduate student who had negotiated with the university on students’ behalf. Khalil’s arrest was a harbinger of more to come — and the other students and activists ICE arrested were also targeted by Canary Mission and other groups. “Canary Mission is basically functioning as a hit list.