Jamieson, Fausset and Brown on Genesis 31:31-32

31-32. Jacob said, ... With whomsoever thou findest thy gods let him not live--Conscious of his own innocence and little suspecting the misdeed of his favorite wife, Jacob boldly challenged a search and denounced the heaviest penalty on the culprit. A personal scrutiny was made by Laban, who examined every tent [Ge 31:33]; and having entered Rachel's last, he would have infallibly discovered the stolen images had not Rachel made an appeal to him which prevented further search [Ge 31:34, 35].