Wally Ng, a member of the Guardian Angels, poses during the outbreak of the coronavirus disease (COVID-19) in New York City, New York, U.S., May 16, 2020.

Sara Chin, a member of the Guardian Angels, a volunteer neighborhood patrol group, puts up a signage with other members in Chinatown during the outbreak of the coronavirus disease (COVID-19) in New York City, New York, U.S., May 16, 2020.

Karlin Chan, a volunteer for the Chinatown Block Watch neighborhood patrol group, holds a flyer reading "No face mask, no entry", in Chinatown during the outbreak of the coronavirus disease (COVID-19) in New York City, New York, U.S., May 17, 2020.

Wally Ng, a member of the Guardian Angels, and Wilson Lassus patrol Chinatown during the outbreak of the coronavirus disease (COVID-19) in New York City, New York, U.S., May 15, 2020. Picture taken May 15, 2020.

Wally Ng, a member of the Guardian Angels, patrols with other members in Chinatown during the outbreak of the coronavirus disease (COVID-19) in New York City, New York, U.S., May 16, 2020.

Sara Chin, a member of the Guardian Angels, a volunteer neighborhood patrol group, is seen with other members in Chinatown during the outbreak of the coronavirus disease (COVID-19) in New York City, New York, U.S., May 16, 2020.

Sara Chin, a member of the Guardian Angels, a volunteer neighborhood patrol group, is reflected on a window in Chinatown during the outbreak of the coronavirus disease (COVID-19) in New York City, New York, U.S., May 16, 2020.

Wally Ng and Sara Chin, members of the Guardian Angels, a volunteer neighborhood patrol group, patrol in Chinatown during the outbreak of the coronavirus disease (COVID-19) in New York City, New York, U.S., May 16, 2020.

Karlin Chan, a volunteer for the Chinatown Block Watch neighborhood patrol group, walks with other volunteers in Chinatown during the outbreak of the coronavirus disease (COVID-19) in New York City, New York, U.S., May 17, 2020.

Karlin Chan, a volunteer for the Chinatown Block Watch neighborhood patrol group, patrols with other volunteers in Chinatown during the outbreak of the coronavirus disease (COVID-19) in New York City, New York, U.S., May 17, 2020.

Wally Ng, a member of the Guardian Angels, puts up a signage during the outbreak of the coronavirus disease (COVID-19) in New York City, New York, U.S., May 15, 2020.

Sara Chin, a member of the Guardian Angels, a volunteer neighborhood patrol group, is seen with other members in Chinatown during the outbreak of the coronavirus disease (COVID-19) in New York City, New York, U.S., May 16, 2020.

Shirley Ng, a volunteer for the Chinatown Block Watch neighborhood patrol group, distributes newspaper in Chinatown during the outbreak of the coronavirus disease (COVID-19) in New York City, New York, U.S., May 17, 2020.

Sara Chin, a member of the Guardian Angels, a volunteer neighborhood patrol group, poses in Chinatown during the outbreak of the coronavirus disease (COVID-19) in New York City, New York, U.S., May 16, 2020.

Karlin Chan, a volunteer for the Chinatown Block Watch neighborhood patrol group, talks with a seafood market owner in Chinatown during the outbreak of the coronavirus disease (COVID-19) in New York City, New York, U.S., May 17, 2020.

Wally Ng, a member of the Guardian Angels, poses during the outbreak of the coronavirus disease (COVID-19) in New York City, New York, U.S., May 16, 2020.

Wally Ng, a member of the Guardian Angels, patrols with other members in Chinatown during the outbreak of the coronavirus disease (COVID-19) in New York City, New York, U.S., May 16, 2020.

Karlin Chan, a volunteer for the Chinatown Block Watch neighborhood patrol group, patrols in Chinatown during the outbreak of the coronavirus disease (COVID-19) in New York City, New York, U.S., May 17, 2020.

Wally Ng, a member of the Guardian Angels, poses during the outbreak of the coronavirus disease (COVID-19) in New York City, New York, U.S., May 16, 2020.

Sara Chin, a member of the Guardian Angels, a volunteer neighborhood patrol group, is seen with other members in Chinatown during the outbreak of the coronavirus disease (COVID-19) in New York City, New York, U.S., May 16, 2020.

Karlin Chan (C), a volunteer for the Chinatown Block Watch neighborhood patrol group, distributes drinks to people along Mott Street in Chinatown during the outbreak of the coronavirus disease (COVID-19) in New York City, New York, U.S., May 17, 2020.

Wally Ng, a member of the Guardian Angels, puts up a signage during the outbreak of the coronavirus disease (COVID-19) in New York City, New York, U.S., May 15, 2020.

Wally Ng, a member of the Guardian Angels, patrols during the outbreak of the coronavirus disease (COVID-19) in New York City, New York, U.S., May 15, 2020.

Shirley Ng, a volunteer for the Chinatown Block Watch neighborhood patrol group, distributes newspaper in Chinatown during the outbreak of the coronavirus disease (COVID-19) in New York City, New York, U.S., May 17, 2020.

Volunteers from the Chinatown Block Watch neighborhood patrol group pose for pictures before patrolling in Chinatown during the outbreak of the coronavirus disease (COVID-19) in New York City, New York, U.S., May 17, 2020.