What does it mean to go after them? You can't exactly fine somebody who doesn't have any money or an address. And our jails are crowded enough without throwing

What does it mean to go after them? You can't exactly fine somebody who doesn't have any money or an address. And our jails are crowded enough without throwing hundreds or thousands more people in there. I read somewhere that it costs around $50k/year to keep somebody imprisoned in the US. Jailing the homeless would get very expensive, very fast.