In recent years, there has been an emerging trend in the use of crossbows in criminal incidents.  Since ownership operates within a legal grey area, there is a very real chance that police officers and other first responders are likely to face such a weapon on the job. Unfortunately, much of the readily available open literature has been medically or historically focused and there remains a paucity of knowledge in the performance and behaviour of modern systems.  This talk presents recent findings of modern crossbow systems against various targets using both computation and experimental methods.

The Terrorism Risk Assessment, Modelling and Mitigation Seminar Series (TRAMMSS) is a virtual seminar series focused on technical topics related to terrorism risk assessment, and modelling, including blast modelling and response; IEDs; vehicles as weapons; CBRN; big data for risk assessment, security and screening; and associated mitigation measures.


Dr Richard Critchley is a chartered mechanical engineer and lecturer in force protection and blast engineering within the Cranfield Forensics Institute.  As part of his role Dr Critchley heads the UK Force Protection Engineering course which is attended by UK Military and NATO military members.  Dr Critchley’s primary areas of research include blast effects on targets, metamaterials such as auxetic materials and exotic weapons such as crossbows. 

Who should attend

This seminar is open to guests from outside Cranfield, who may work in academia, research, or industry. Due to the potentially sensitive nature of this seminar series, guests should be able to show that they are affiliated with an appropriate bona fide organisation.


The event is free of charge, but participants must register for the TRAMMSS mailing list in advance.

How to register

To attend this seminar, you must register for the TRAMMSS mailing list. This can be found via the main TRAMMSS website.