Legal experts say that although Tyler Robinson is expected to receive the death penalty — whether by lethal injection or firing squad — the road to an execution date will be long. The appeals process and mandatory reviews could stretch 20 to 30 years, keeping him on death row for decades.
Here’s When Tyler Robinson Could Finally Face His Ultimate Sentence – Why Death Penalty Cases Take Decades”

During that time, taxpayers are projected to spend about $2.5–$3 million to house, feed, and process Robinson’s case. Such delays are common: most people on death row in the U.S. wait years as their sentences are challenged and reviewed before a final execution date is set.