of equitable estoppel is founded on the notion that a litigant should not be permitted to assert a claim or defense that is predicated on his own wrongdoing. The elements that must be established to succeed on an equitable estoppel claim are as follows: (1) the party to be estopped must know the facts, (2) the party to be estopped must intend that his conduct be acted on or must act so that the party asserting the estoppel has a right to believe it is so intended, (3) the party asserting the estoppel must be ignorant of the facts and (4) the party asserting the estoppel must rely on the other party’s conduct to his injury. Emeco Indus., Inc. v. United States, 202 Ct.Cl. 1006, 1015, 485 F.2d 652, 657 (1973). The Supreme Court has cast considerabl 2 F.2d 1554, 1561-64 (Fed.Cir.1992) (<HOLDING>). In any event, “it is well settled that the
recognizing estoppel based on bank officers conduct holding that estoppel was a question of fact holding that this court erred in concluding that richmond stands for the proposition that equitable estoppel will not lie against the government for any monetary claim and remanding for consideration of the facts supporting the estoppel claim recognizing that richmond was limited to estoppel claims involving payment from the public treasury holding that collateral estoppel applies to  1983 claims