Louisville police make security preparations for Kentucky Derby

Following the Boston bombings, the importance of securing open-air events is at an all-time high.

"In addition to handling these special events, we're responsible for public safety for our residents who are not participating in these events," he said. "We have eight patrol divisions and still do calls for service, so we have to make sure those personnel are adequately staffed.

"That's why our state, local and federal partners are so important for us, because without them, we would not be able to do these special events."