Can you identify if it's a murder or a suicide ?

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

What Adam and Eve do not have but the rest of the people have?

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

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

What does the below rebus puzzle mean?

Peter wakes up daily to pick up his cycle and crosses the border between Spain and France daily with a bag on his shoulder. He is investigated daily by the officials but they don't find anything suspicious.

If we tell you that he is smuggling something what would it be?

A chess tournament is taking place on knock-out terms (the one who loses the match is out of the game).
(a) If 10 matches are played in total, how many players participated?
(b) If 20 players took part in the tournament, how many matches were played?

Do You See It?

For this puzzle, you might have to find logic in something illogical. But hey, it's fun and a healthy little break from your strenuous puzzle-solving sessions.

Can you decipher the meaning in the following cluster of letters?

ITIT,NCENTCENT