New Orleans is bringing on Bill Bratton, who has been the top cop in Boston, New York and Los Angeles, to counsel the city on its security measures following the deadly Bourbon Street attack, the New Orleans police chief said Wednesday.

Former New York City Police Commissioner William Bratton will review New Orleans security vulnerabilities and recommend ways to shore them up as officials scramble after a deadly Bourbon Street attack last week to ensure the city is protected.

The New Orleans Police Department has hired former New York City Police Commissioner William Bratton to review the city’s security plans and harden it against future attacks after last week’s deadly rampage on Bourbon Street.