The imprisoned WTC 1993 plotter Yousef was KSM 's nephew.

"Results": [
    {
        "TypeName": "LOC",
        "Text": "WTC",
        "Start": 15,
        "End": 18
    },
    {
        "TypeName": "PER",
        "Text": "Yousef",
        "Start": 32,
        "End": 38
    },
    {
        "TypeName": "PER",
        "Text": "KSM",
        "Start": 43,
        "End": 46
    }
]