Canny's sentiment was echoed by Lawrence E. Couch, the director of the National Advocacy Center of the Sisters of the Good Shepherd.
In a statement, Couch said the use of tear gas on the caravan represented a "sharp escalation" of the immigration crisis.
"When we start to tear gas women and children, we know we have gone down the wrong road," said Couch, calling it "our duty and moral imperative to protect and welcome our brothers and sisters."
Kevin McAleenan, commissioner of U.S. Customs and Border Protection, defended on Sunday the agency's response. In a statement released on Twitter, McAleen said that the situation was "extremely dangerous" and involved over 1,000 members of the caravan.
"(Sunday)'s incident involved large groups of migrants ignoring and overwhelming Mexican law enforcement, then attempting to enter the United States through vehicle lanes at San Ysidro and El Chaparral, and then through breaches in the international border fence between ports of entry," said McAleenan.
(Story continues below)
Subscribe to our daily newsletter
At Catholic News Agency, our team is committed to reporting the truth with courage, integrity, and fidelity to our faith. We provide news about the Church and the world, as seen through the teachings of the Catholic Church. When you subscribe to the CNA UPDATE, we'll send you a daily email with links to the news you need and, occasionally, breaking news.
As part of this free service you may receive occasional offers from us at EWTN News and EWTN. We won't rent or sell your information, and you can unsubscribe at any time.
Some members of the group assaulted agents and officers, he said. Four agents were hit with rocks thrown by members of the crowd, but none were seriously injured due to protective gear.
While the use of tear gas Sunday attracted strong media coverage and reaction, U.S. Customs and Border Patrol has deployed the measure multiple times in recent years. Between the years 2012 and 2016, tear gas was used 79 times along the border.
Christine Rousselle is a former DC Correspondent for Catholic News Agency. Prior to working at CNA, she was the managing web editor of Townhall.com; she has a BA in political science from Providence College.