Oh my dear, that's sad to read. I wish that your brother is released soon. It must be very stressful for all of you. These authorities they target weak people and show their power. As you say it's all a game of money, if you bribe them then you are safe.
Absolutely, you need to make the best position for yourself in life so that no one can bully you. It's bitter but a hard fact that money and position plays big in the world we live. You should be striving for both, nothing is impossible. It is your will and determination that will make you succeed.