BAIL JUMPING - 18 USC 3146, makes
it a Federal crime or offense for anyone who has been
released on bail to thereafter willfully fail to appear
when required to do so.
A person can be found guilty of that offense only
if all of the following facts are proved:
First: That the person had been admitted to bail
pursuant to an order of a Judge or Magistrate of a
Court with proper juridiction;
Second: That the person thereafter failed to appear
before a Judge or Magistrate of a Court with proper
juridiction as required; and
Third: That the person did so knowingly and willfully.