The arrest came after a seven - month sting operation , court papers say . Knapp has agreed to plead guilty to the charges , according to Assistant U.S. Attorney Robert Kravetz , who is prosecuting the case . An undercover agent was brought into the case by ` ` a cooperating defendant '' Marc Knapp said he could obtain an F-5B fighter jet for $ 1 million , the papers say . Not to plead guilty , prosecutor said .
The arrest came after a seven - month sting operation , court papers say . An undercover agent was brought into the case by ` ` a cooperating defendant '' Marc Knapp said he could obtain an F-5B fighter jet for $ 1 million , the papers say . Not to plead guilty , prosecutor said .