The FBI is searching for a college student who may want to end his life.
Sunil Tripathi hasn't been seen for nearly 10 days.
He's been on academic leave from Brown University in Rhode Island.
On the "Help Us Find Sunil Tripathi" Facebook page, his family says the 22-year-old has been fighting depression, and they're worried about a note he left behind.
Searchers are looking in Boston, New York and Philadelphia.
MORE: Few clues in search for missing Brown University student
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