《汉书·传·酷吏传》
官吏苛刻地督察淫恶少年，还设了举报垢以征求举报，置伯及邑落之长以收捕督察奸民。
吏苛察淫恶少年，投缿购告言奸，置伯落长以收司奸。
Officials strictly supervised the promiscuous youths, and they even set up a system of reporting taints to solicit reports and appointed the leaders of the county and township to arrest and supervise the wicked.