Ohio Gov. Ted Strickland has again denied mercy for condemned killer Kenneth Biros.
Strickland said Thursday he reviewed the full case of the death row inmate once more, including last month's parole board recommendation against clemency.
Strickland also denied clemency to Biros in March 2007, four days before an earlier execution date that was then delayed by federal courts.
Biros, 51, is scheduled to be executed Tuesday but is fighting for a delay as he challenges Ohio's new one-drug execution method.
Biros' attorneys say using the new method amounts to human experimentation, but they have also suggested in the past that the process could be an alternative to the old three-drug system.
Biros killed and dismembered 22-year-old Tami Engstrom near Warren in 1991 after he offered to drive her home from a bar.
