Post-conviction attorneys for a Bonita Springs man on death row for the 2015 murder-for-hire of his wife argue his conviction and death sentence violate his constitutional rights.
Meanwhile state prosecutors argue he received a fair trial.
A Lee County jury in December 2019 convicted Mark Sievers, now 57, of being a principal to commit first-degree murder with a firearm and conspiracy in the death of his wife, Dr. Teresa Sievers, 46…