Among the drugs seized was 77 litres of gamma hydroxybutyrate (GHB), commonly referred to as the "date rape" drug.

Source: https://www.cbc.ca/news/canada/montreal/woman-drugged-montreal-bars-1.6763317?cmp=rss

But that does little to calm the fears of many residents, who worry there is a 'roofie killer' on the loose, targeting men around the age of 30, using drugs like GHB to spike people's drinks - known as 'roofies.'

Source: https://www.mirror.co.uk/news/us-news/mystery-texas-roofie-serial-killer-30387433

Most routine drug and toxicology tests do not look for GHB, according to the Justice Department.

Source: https://www.nytimes.com/2023/03/29/nyregion/indictments-nyc-gay-bars-homicide.html

The five-week trial had heard how he drugged them by administrating either GHB or GBL, before stealing their jewellery, bank cards, and phones.

Source: https://www.mirror.co.uk/news/uk-news/serial-rapist-storms-out-dock-31076024