As a Police Detective, you will need to master following:

• form operational strategies for law enforcement
• lead police investigations

More generally, a police detective is also versed in:

• analyse legal evidence
• conduct research interview
• criminology
• develop investigation strategy
• ensure law application
• examine crime scenes
• handle case evidence
• hear witness accounts
• investigation research methods
• law enforcement
• legal use-of-force
• maintain operational communications

It also helps to know the following:

• first response
• investigate forgery cases
• legal requirements related to ammunition
• perform drug investigations
• apply first response
• apply knowledge of human behaviour
• conduct public presentations
• control crowd
• criminal law
• detain offenders
• ensure compliance with types of weapons
• ensure information security
• identify security threats
• legal research
• practice vigilance
• present evidence
• restrain individuals
• use personal protection equipment
• write situation reports