Categories of a crime include: Offences against the person, offenses against the sovreign, drug offences, driving offences, public order offences, prelimnary offences and economic offences.
LEPRA - [Law enforcement (powers and responsibility Act) 2002 (NSW)]
The Crimes (Forensic Procedure) Act 2000 (NSW) - outlines regarding the collecting of DNA evidence from suspects
There are many rules surrounding search and siezure powers, some of them come form LEPRA.
s21 - Power to search persons and siexe and detain things without warrant
s36 - Power to search vechicles and sieze things withoutwarrant