Before pursuing either course (commit suicide or bring the Visnudutas before Yamaraja) they wanted to know about the Visnudutas from Yamaraja, who is also omniscient

Expressions researched:
"Before pursuing either course, however, they wanted to know about the Viṣṇudūtas from Yamarāja, who is also omniscient"

SB Canto 6

The order carriers of Yamarāja, being very much aggrieved because of their defeat by the four Viṣṇudūtas, wanted to bring them before Yamarāja and, if possible, punish them. Otherwise they desired to commit suicide. Before pursuing either course, however, they wanted to know about the Viṣṇudūtas from Yamarāja, who is also omniscient.

SB 6.3.10, Translation and Purport:

As soon as the sinful Ajāmila uttered the name Nārāyaṇa, these four beautiful men immediately arrived and reassured him, saying, "Do not fear. Do not fear." We wish to know about them from Your Lordship. If you think we are able to understand them, kindly describe who they are.

The order carriers of Yamarāja, being very much aggrieved because of their defeat by the four Viṣṇudūtas, wanted to bring them before Yamarāja and, if possible, punish them. Otherwise they desired to commit suicide. Before pursuing either course, however, they wanted to know about the Viṣṇudūtas from Yamarāja, who is also omniscient.