Capital punishment in Connecticut formerly existed as an available sanction for a criminal defendant upon conviction for the commission of a capital offense. Since the 1976 United States Supreme Court decision in Gregg v. Georgia until Connecticut repealed capital punishment in 2012, Connecticut executed one individual, although the law allowed executions to proceed for those still on death row and convicted under the previous law, but on August 13, 2015, the Connecticut Supreme Court found the death penalty unconstitutional especially holding death row inmates after capital punishment was banned in 2012.
Between 1639 and 2005, Connecticut performed 126 executions. Twenty-four executions occurred in Connecticut Colony, prior to its statehood. The remaining 102 executions occurred after Connecticut's 1788 admission to the Union as the fifth state. Contrary to popular belief, Adonijah Bailey was not the oldest person executed at age 79 in 1824; instead, he was tried and sentenced to death at age 80 in January 1825 for the murder of Jeremiah W. Pollock, and hanged himself on May 24, over two weeks before he was to be executed. The oldest person executed is Gershon Marx, hanged on May 18, 1905, for murder at age 73. The following are some historical milestones of capital punishment in Connecticut:
After Furman v. Georgia, Connecticut reinstated the death penalty on January 10, 1973. Lethal injection became the method mandated to execute condemned prisoners, replacing the electric chair, which had not been used since Taborsky's execution in 1960.
Unlike most of the other states, the Governor of Connecticut cannot commute the death sentence imposed under State law or pardon a death row inmate. This is determined by the Board of Clemency, on which the Governor does not sit. The other states where the Board has sole authority are Georgia and Idaho.
On May 22, 2009, the Connecticut General Assembly passed a bill that would abolish the death penalty, although it would not retroactively apply to the eleven current Connecticut death row inmates or those convicted of capital crimes committed before the repeal went into effect. The bill was vetoed by Governor Jodi Rell.