CONCIERGEpad founder and CEO Rene Perez, left, with Frank Porro, COO. The app is now in about 250 schools nationwide.
CONCIERGEpad founder and CEO Rene Perez, left, with Frank Porro, COO. The app is now in about 250 schools nationwide. Miami Herald
CONCIERGEpad founder and CEO Rene Perez, left, with Frank Porro, COO. The app is now in about 250 schools nationwide. Miami Herald

After mass shootings, schools turn to Miami-made app to keep out the bad guys

July 13, 2018 07:00 AM