Confrontation Between Ziva, DiNozzo Senior, Dan Mayfield and Theo Gaston is a confrontation that occurred in November 2010 in which NCIS Probationary Agent Ziva David and Anthony DiNozzo Senior, the father of Ziva's partner, NCIS Special Agent Anthony DiNozzo were confronted by Dan Mayfield and Theo Gaston. The confrontation ended with DiNozzo Senior and Ziva taking down Mayfield and Gaston.