Numbers 14:36

14:36 The men whom Moses sent to investigate the land, who returned and made the whole community murmur against him by producing an evil report about the land,

Numbers 16:11

16:11 Therefore you and all your company have assembled together against the Lord! And Aaron – what is he that you murmur against him?”

Numbers 17:5

17:5 And the staff of the man whom I choose will blossom; so I will rid myself of the complaints of the Israelites, which they murmur against you.”