Please identify all the named entities mentioned in the input sentence provided below. Use only the categories: PER - person, ORG - organization, and LOC - location.
Remember, nationalities are neither locations nor organizations, and organizations can represent other groups of people.
Pay attention to the provided example. You should only output the results in JSON format, following a similar structure to the example result provided.

Example sentence and results:

Where in the world is Iguazu?

"Results": [
    {
        "TypeName": "LOC",
        "Text": "Iguazu",
        "Start": 22,
        "End": 28
    }
]

Considering the input sentence below, what is the output result?

"The Prophet 's guidance," says Michael Scheuer, an al-Qaeda analyst who recently retired from the CIA and once headed its Bin Laden unit, "was always, Before you attack someone, warn them very clearly..." The anthrax mailings followed the pattern of letters they sent in January 1997 to newspaper branches in Washington, D.C. and New York City, as well as symbolic targets.


"Results": [
    {
        "TypeName": "PER",
        "Text": "Michael Scheuer",
        "Start": 32,
        "End": 47
    },
    {
        "TypeName": "ORG",
        "Text": "CIA",
        "Start": 99,
        "End": 102
    },
    {
        "TypeName": "PER",
        "Text": "Bin Laden",
        "Start": 123,
        "End": 132
    },
    {
        "TypeName": "LOC",
        "Text": "Washington",
        "Start": 310,
        "End": 320
    },
    {
        "TypeName": "LOC",
        "Text": "D.C.",
        "Start": 322,
        "End": 326
    },
    {
        "TypeName": "LOC",
        "Text": "New York City",
        "Start": 331,
        "End": 344
    }
]