Serpico called for help, but his fellow officers ignored him.

This does not mean, however, that the investigating officer ignores evidentiary issues.

The official added that the officers ignored the guard's warning to quiet down.

"These officers are ignoring our requests to come in for an interview, or they're just not responding," the staff member said.

The officer was ignoring the occasional bullet that crashed into the room, even leaned out to see better.

Even the young officers ignored him; he was just that kind of invisible person.

Officials said that the case raised questions of what supervisors were doing while the officers ignored their basic duties.

He must have thought the junior officer was deliberately ignoring his commands.

When the officer ignored him, he tugged at the sleeve of the uniform.