how long has tyler robinson been in a jail cell

Tyler Robinson had been in the Utah County Jail for about three weeks as of October 1, 2025, according to a local report. That means he was still being held in a highly restrictive isolation setting rather than a normal jail unit.

What the report said

• He was in the jail’s special housing unit.
• He was described as being on suicide watch and in an isolation cell.
• The report said he was under very restrictive supervision.

Current context

A later court report from July 6, 2026 says he was back in court for a hearing, which confirms he was still in custody by then. Based on those reports, he has been in jail for months, not just days.

Bottom line

If you mean his initial jail stay after arrest, the clearest published detail says about three weeks as of October 1, 2025. If you mean up to now, he has remained in custody through at least July 6, 2026.