Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

What goes through cities and fields, but never moves?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

You see me once in June, twice in November, and not at all in May. What am I?

As shown in the image, the nine Dogs are square fenced. By constructing just two square fences can you make sure that two Dogs cannot meet each other without crossing the fence?

As easy as you can get into me, it is as hard to get out of me.

Do you know what I am?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?

How is the moon similar to a dollar?

Remove two matchsticks to make the below equation correct.

I know a nine-letter word having only one vowel.
Do you ?