Forensic scientists are responsible for collecting and analyzing physical evidence at crime scenes, such as fingerprints, DNA, and trace evidence, in order to help investigators reconstruct the events of a crime and identify potential suspects.

DNA fingerprinting is a forensic technique that analyzes the unique genetic material of an individual, allowing for the identification of suspects or victims through the comparison of DNA samples.

A chain of custody is a documented record of the handling and transfer of evidence from the crime scene to the laboratory and throughout the legal process. Its purpose is to ensure the integrity, authenticity, and confidentiality of evidence, preventing contamination and tampering.

Dactyloscopy is the forensic discipline that deals with the analysis and comparison of fingerprints. It is used to identify individuals by examining the unique patterns and characteristics of their fingerprints.

Forensic pathologists perform autopsies to determine the cause and manner of death, as well as to identify the deceased. They also collect and analyze biological evidence, such as blood and tissue samples, to assist in the investigation of crimes.

Ballistics is the forensic discipline that deals with the analysis of firearms and ammunition. It is used to identify the type of weapon used in a crime, to determine the trajectory of bullets, and to match bullets and cartridge casings to a specific firearm.

Tool mark analysis is the forensic discipline that deals with the identification and comparison of tool marks at a crime scene. It is used to determine the type of tool used to create a mark, such as a pry bar or a screwdriver, and to link a tool to a specific crime.

Trace evidence analysis is the forensic discipline that deals with the analysis of trace evidence, such as fibers, hairs, paint chips, and glass fragments. It is used to link suspects to crime scenes, to identify victims, and to reconstruct the events of a crime.

Handwriting analysis is the forensic discipline that deals with the analysis and comparison of handwriting samples. It is used to determine the authenticity of documents, to identify the author of anonymous writings, and to link suspects to crime scenes.

Bloodstain pattern analysis is the forensic discipline that deals with the analysis of bloodstain patterns at crime scenes. It is used to reconstruct the events of a crime, to determine the sequence of events, and to identify the location of the victim and the assailant.

Tire track analysis is the forensic discipline that deals with the analysis and comparison of tire tracks at a crime scene. It is used to identify the type of vehicle involved in a crime, to determine the direction of travel, and to link a vehicle to a specific crime.

Digital forensics is the forensic discipline that deals with the analysis of digital evidence, such as computer files, electronic devices, and network traffic. It is used to investigate cybercrimes, to recover lost or deleted data, and to identify and apprehend criminals.

Shoe print analysis is the forensic discipline that deals with the analysis and comparison of shoe prints at a crime scene. It is used to identify the type of shoe worn by a suspect, to determine the direction of travel, and to link a suspect to a specific crime.

Toxicology is the forensic discipline that deals with the analysis of drugs and other controlled substances. It is used to identify and quantify drugs in biological samples, such as blood and urine, to determine the cause of death in drug-related cases, and to investigate drug trafficking and abuse.

Bite mark analysis is the forensic discipline that deals with the analysis and comparison of bite marks at a crime scene. It is used to identify the individual who made the bite mark, to determine the circumstances of the bite, and to link a suspect to a specific crime.