Joseph Testa

Joseph Carmine Testa
Joseph Testa and Roy DeMeo in a 1982 FBI surveillance photo.
Born	1955 (age 61–62)
Nationality	American
Criminal penalty	Life imprisonment
Allegiance	Gambino crime family - DeMeo crew Lucchese crime family
Conviction(s)	Racketeering, 10 counts of murder

Anthony Senter and Joseph Testa, better known as the Gemini twins, are two mobsters in the Lucchese crime family. Senter and Testa are former members of the DeMeo crew in the Gambino crime family. In 1989, both Senter and Testa were found guilty of racketeering and 10 counts of murder, and each was sentenced to life in federal prison. Senter and Testa were the most brutal of the DeMeo crew. They were always together when they committed a murder or a contract killing, Senter and Testa are believed to have murdered over 100 people.

Anthony Michael Senter was born in Canarsie, Brooklyn, New York to immigrants Michael Senter (Northern Italian, Irish) and wife from Rovereto, Italy. Senter's uncle, Gambino and Colombo associate, Robert Senter, owned the Canarsie Recycling Company in Canarsie. As a young man Anthony worked at both his father's small debris removal business and his uncle's sanitation company. Robert Senter gained notoriety for the kidnapping and murder of Emanuel Gambino, the nephew of Gambino crime family boss Carlo Gambino and nephew of Paul Castellano.

On December 4, 1972, Robert Senter was arrested and confessed to the murder of Gambino. He also revealed the identities of Rickard Nilsson and Warren Schurman who were his two accomplices. On June 1, 1973, Robert pleaded guilty to manslaughter and was sentenced to fifteen years in prison. After his release Robert was murdered by Colombo crime family associates from Brooklyn on orders from Colombo crime family capo John Matera. Anthony Senter married an Italian-American woman on July 24, 1977 at a catering hall in Canarsie, Brooklyn. The wedding was attended by many criminals including Gambino crime family member Roy DeMeo.