Answer:
I am a lunch money thief
I have a hundred legs but cannot stand. I have a long neck but no head. I cannot see and I help keep your house neat and tidy.
An open ended barrel I am shaped like a hive. I am filled with the flesh and the flesh is alive.
I am pronounced as one letter written with three. I come in blue black brown or grey. Reverse me and I read the same either way.
You use a knife to slice my head but you weep beside me when I am dead
Why was the cook arrested?