He served nearly two years as a full - time volunteer in Mexico in one of her missions , and at her home for people suffering from AIDS in Washington , D.C. He has returned to Calcutta with Saint Vincent College students to work in her missions .
He served nearly two years as a full - time volunteer in Mexico in one of Mother Teresa 's missions and in her Washington , D.C. home for people suffering from AIDS . 
 For the past three years he has returned to Calcutta with Saint Vincent College students to work in her missions .