Solve this riddle

Solve this riddle

Solve dis riddle:

I am a word of five letters!
People eat me! I am available in 2 colours
If u remove my 1 letter i will be a form of crime
If u remove my first 2 letters i will be name of animal
If u remove my first 4.  letters i m vowel
Answer if u r mastermind!

Ans:_________