What begins with T, ends with T, and has T in it?

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?

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

DEAD, BALL, FEAR, SHOP

Can you find the logic?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

I’m light as a feather, yet the strongest person can’t hold me for five minutes. What am I?

In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?

A Child was born in Lahore, Pakistan.

Still child is not a Pakistani citizen.why ?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

Can you complete the sequence?

192, 021, 222, 324, 252, 627, 2__, 9__?

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?