Kautilya's Arthashastra 4.7.24

4.7.24

anuyuñjīta saṃyogaṃ nivāsaṃ vāsakāraṇam /
karma ca vyavahāraṃ ca tato mārgaṇam ācaret //

After examining the personal property such as travelling requisites, dress, jewels, or other things which the deceased had on his body while murdered, such persons as supplied or had something to do with those things shall be examined as to the associates, residence, causes of journey, profession, and other calls of the deceased.