SPRINGFIELD — The state’s high court is expected to hear oral arguments in seven cases this week, including two cases involving criminal defendants.One of the criminal cases concerns an ineffective assistance of counsel claim by Lanard Gayden.Police arrested Gayden in February 2014 after they saw him with a sawed-off shotgun in his Chicago apartment.Gayden alleges police entered his apartment without a warrant and the shotgun evidence should have been suppressed.Since his defense counsel never raised the issue …