Moses
Genesis 31:32ESV·traditional attribution

Anyone with whom you find your gods shall not live. In the presence of our kinsmen point out what I have that is yours, and take it.” Now Jacob did not know that Rachel had stolen them.

John Calvin Reformed @genevareformer

32. That Rachel had stolen them. Moses relates the manner in which Rachel had concealed her theft; namely, by sitting on the idols, and pretending the custom of women as her excuse. It is a question, whether she did this through shame or pertinacity. It was disgraceful to be caught in the act of theft; she also dreaded the severe sentence of her husband.

Matthew Henry Presbyterian @wholebiblehenry

We have here the reasoning, not to say the rallying, that took place between Laban and Jacob at their meeting, in that mountain which was afterwards called Gilead, Gen 31:25. Here is, I. The high charge which Laban exhibited against him. He accuses him, 1. As a renegade that had unjustly deserted his service.

Commenting on Genesis 31:25-35

John Gill Reformed Baptist @doctorgill

Now Rachel had taken the images,.... Hearing her father inquire about them, and her husband having given leave to search for them, and to put to death whoever should be found to have them, took them from the place where she had before laid them: and put them into the camel's furniture; perhaps the camel's furniture she rode on, and therefore it was in her...