A plane crashed between the border of Mexico and America. Where do you bury the survivors?

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

The below mentioned letters have been placed in a order using a logic.

DEAD, BALL, FEAR, SHOP

Can you find the logic?

What has 13 hearts but no other organs?

A new clothing store has a unique method of pricing items. A vest costs $20, a tie costs $15, a blouse costs $30, and underwear costs $45. How much would pants cost?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

You see a boat filled with people, yet there isn’t a single person on board. How is that possible?

To attend world science seminar, A famous chemist from Mexico visit
London. In the lab, the scientist was killed and his six assistants were under suspicion of killing the chemist.
Name of six assistants: Austin, Wayne, Dege, Oscaru, Lingard, and Rojo.
He left a note "76-20-44 79-16-22-7"

A local detective Jack was called to solve the case,

After reading the note, Jack instantly asked the police to arrest the murderers.

Who are the murderers?

Buy me, smell me or deliver me, I do not change.

Who am I?

Name a key which is hardest to turn.