Sean Collier‘s compassion for others and generosity was unmatched. On Wednesday afternoon his siblings stopped by the Jimmy Fund Radio-Telethon to tell stories about their kindhearted brother and fallen MIT police officer.

Sean began listening to the telethon when he was only 15 years old, but the great cause struck the young man, and he began donating monthly to the cause from then on by setting up an automatic withdrawal from his bank account. Today, his family continues the connection to the Jimmy Fund in his honor.

Check out the above video to hear more from the Collier family.

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