Drop rate for crafting items?
I think they said it's 10% for lockpicks, which is pretty close to what you've got. Criminals spawn quickly and are all over the place. You should have no problem getting them.
Forum Discussion
If you scroll down, you'll see the other prizes. Phones are also used for the Zenith City Store Front and the phone booths. You'll probably be able to craft a few of those phone booths.
