Trooper Michael Proctor messages suggest he may have violated a court order barring witnesses from following the trial, Read’s lawyers claimed in court papers this week.

Trooper Michael Proctor, the lead investigator in the Karen Read case will face a disciplinary board on Monday to determine his future with the Massachusetts State Police.

Hours after Karen Read’s first trial ended with a hung jury, the investigator whose crude text messages about her had badly damaged the government’s case sent another combative note, this time to a prosecutor in the high-profile case.