Collusion
The umbrella treats collusion narrowly — as the community's quiet permission of an offense that the law itself commands them to punish. The single passage flagged for it concerns Molech-worship and the silence of "the people of the land."
Hiding the eyes from a capital offense
The Molech statute first sets the offense and the prescribed response: any Israelite or sojourner "that gives of his seed to Molech; he will surely be put to death: the people of the land will stone him with stones" (Leviticus 20:2). The execution is communal — "the people of the land" are the named agent.
Collusion arises when that named agent fails to act. "And if the people of the land do at all hide their eyes from that man, when he gives of his seed to Molech, and do not put him to death; then I will set my face against that man, and against his family, and will cut him off, and all those who go whoring after him, to go whoring with Molech, from among their people" (Leviticus 20:4-5). Hiding the eyes is itself the offense: the silence around Molech-worship pulls the silent into the same divine sentence — cut off "all those who go whoring after him." Communal looking-away is treated as participation, not as neutrality.