स तेन हिरण्येनाउपहारिकक्रये गृह्येत ॥ कZ_०५.२.६३ ॥
sa tena hiraṇyenāupahārikakraye gṛhyeta
He should then be seized while purchasing the offering-materials with that gold.
Apprehension at the moment of exchange/purchase provides direct proof of possession, intent, and participation.