What made this different is that it was held at St. John's Catholic Church.
"75% of the active shooter incidences took place in the places that we shop and where we live, where we go to get entertained. It's very relevant training," says Daniel Rivera, the DHS active shooter preparedness program lead.
People from throughout the community were invited to take part in the training that includes presentations with information from people who survived shooter attacks.
"We will benefit from little things that they have learned about patterns of behavior and what we should always be conscience of," says Father Frank Murray.
DHS travels throughout the country for similar kinds of training.