What is bloody knife?

A bloody knife is a weapon or tool that is covered in blood, typically as a result of being used in a violent or dangerous situation such as a stabbing or cutting someone. The presence of blood on a knife can be used as evidence in a crime scene investigation to determine who was involved and what happened. In some cases, a bloody knife may be used as a means of self-defense or as a tool for hunting or butchering animals. It is important to handle a bloody knife with care and caution to avoid contamination or injury.