On the stage of Criminal Investigation suspects the protection of human rights;

On the network crime and the investigation countermeasures;

Research on Inquiry Witness System under Government by Law——Take the Detection as an Angle of View;

Argument aboutSafeguarding the Attornney s Right of Meeting with Criminal Suspect in Detection;

Analyzing the information of collecting evidence before and after the suspects appears in court drawn from the sampling dossiers and obtained by investigation organ,we can find the process and results of interrogation has an important clue function to the promotion of criminal investigation.

Based on the meanings of the basic theoretical field of the criminal investigation,the article puts forward two new perspectives of the study,which are the "pure criminal investigation" and "criminal justice system".

As a concept,criminal investigation technology has recently been used to study criminal investigation.

The reconstruction methods of case facts mainly include: collect data,identify the factual character of a case,analyze the case,virtually construct case facts,investigate and confirm,reevaluate the constructed facts,perfect evidence and determine case facts.

In a public prosecution case, investigate is an absolutely necessary procedure.

The DNA identification technology and its use in criminal investigation;

Discussion on both-strict-and-lenient policy in the criminal investigation;

Identical Cognizance Is the Basic Theory of Criminal Investigation;