What did they mean by "we shall then be guided"?

Imām Ibn al-Jawzī (d. 597/1201) summarized the scholars' opinions in his book "Zād al-Masīr" as follows:

1. "We shall then be guided to the cow (which we were commanded to seek)". [Majority]
2. "We shall then be guided to the killer". [Abū Ṣāliḥ from Ibn ʿAbbās]