In the show the wire why did nick care about ziggy so much?

Submitted ⁨⁨3⁩ ⁨hours⁩ ago⁩ by ⁨bOt@zerobytes.monster⁩ to ⁨television@zerobytes.monster⁩

https://www.reddit.com/r/television/comments/1vqfkab/in_the_show_the_wire_why_did_nick_care_about/