Just because there is a certificate that says that he was consecrated in the Orthodox Church, one does not automatically presume that it is valid. There must be a through investigation. Then, even if it is valid, you are not allowed to avail yourself of his sacraments.
One FACT is absolutely certain, Moran is a pathological liar and a sociopath. At this point, Father Pfeiffer must publicly repair the scandal and damage he (Fr. P.) has caused and in MHO he should be avoided until he does so.