1. Barlett, C. P. Anonymously hurting others online: The effect of anonymity on cyberbullying frequency. Psychol. Pop. Media Cult. 4(2), 70–79. https://doi.org/10.1037/a0034335 (2015).
2. Dorison, A.-H., Pavan, B., & Soullier, L. The mystery of needle spiking in nightclubs across France. (Le Monde.Fr, 2022). https://www.lemonde.fr/en/france/article/2022/04/30/in-nantes-rennes-beziers-or-grenoble-the-mystery-of-the-nightclub-needle-pricks_5982028_7.html
3. Hadden, G. Needle-spiking Trend in Europe Alarms nightclubbers—Especially Women. (The World from PRX, 2022). https://theworld.org/stories/2022-07-07/needle-spiking-trend-europe-alarms-nightclubbers-especially-women
4. NL TIMES. Possible incidents of needle spiking at Nijmegen marches. (NL Times, 2022) https://nltimes.nl/2022/07/25/possible-incidents-needle-spiking-nijmegen-marches
5. The New York Times. Rio Carnival Is Marred by Violence as City’s Security Troubles Worsen. (The New York Times, 2018) https://www.nytimes.com/2018/02/14/world/americas/brazil-rio-de-janeiro-carnival-violence.html