This is what courts commonly see when expert wits are qualified as keepers of specialized knowledge regarding in-custody deaths. He is a government employee in Amsterdam.

http://nltimes.nl/2017/03/29/expert-forensics-witness-history-backing-cops-violence-cases-report

Here is a journal article with this same expert, Kees Das, showing up as third author. The study talks about ’cause of death’ un-reliability in forensic medicine.

http://www.jflmjournal.org/article/S1752-928X(16)30073-7/abstract