Mexican kingpin Joaquin “El Chapo” Guzman has spent just seven weeks in custody in the US, but his lawyers say the isolation he’s been kept in here, coupled with the harsh treatment he received in Mexico over the previous year, have been deleterious for his health.

In a 24-page filing submitted to the judge in the Eastern District of New York on Monday, Guzman’s legal representatives asked the court to modify or remove the special administrative measures in place against their client.

Guzman’s current lawyers said he had been relegated to his cell for the vast majority of the day and that requests to change the conditions inside the cell or have outside contact had received no response.

According to their letter: