For context: The “anti-torture watchdog” here is the “National Commission on Torture Prevention”, part of the Swiss government.

The word “slam” doesn’t appear anywhere obviously as it’s a government report, the article title is:

“Forced returns by air: NKVF calls for better protection for people with mental illnesses”.

The full report is accessible in German, French or Italian by following the link and changing the language on the top-right corner.