Since the majority of people do not have any kind of experience in law, they are extremely unlikely to have a good grasp of what happens after someone is arrested. From the time that someone is arrested and accused of a crime to the time of conviction, there are many steps and pieces of paperwork that must be submitted. This is something that no one should go through alone.
Even if you already have a lawyer, you might consider getting a little more help for your case. You can hire extra legal assistance to work with your lawyer and you to help plan out parts of the case and even keep you informed about what is going on. Having more eyes on your case will make it more likely that the case will go smoothly and that the end result will be better.