Attorneys for a man charged with murder in connection with the killings of four University of Idaho students are asking a judge to throw out most of the evidence in the case because they say it all hinges on an unconstitutional genetic investigation process.

Bryan Kohberger is charged with four counts of murder in the deaths of Ethan Chapin, Xana Kernodle, Madison Mogen and Kaylee Goncalves.

Judge to rule this week on DNA evidence in Bryan Kohberger case as defense challenges genetic genealogy linking him to Idaho college murders.

Attorneys for the man charged in the deaths of four University of Idaho students have alleged police misconduct and flawed search warrants.

Defense attorneys for Bryan Kohberger want critical DNA evidence in the high-profile case thrown out, arguing that the way law enforcement used investigative genetic genealogy (IGG) to identify him as a suspect violated his constitutional rights.