He studied briefly at a university, and left without a degree. Afterwards, Pablo began to engage in small criminal acts.
Need some "lottery tickets?". They're fake but very cheap.
Where's the contraband?
I don't have it. It was stolen from me.
Nice! And there goes another car for us..
GIVE ME YOUR MONEY! Or else...
As time went on, Pablo progressed to into doing more dangerous and riskier deeds.
However, that was before he became distributed powder cocaine himself and created the first smuggling routes, leading him to become the world's most powerful drug trafficker, in other words the wealthiest and most successful criminal in history.