It brings out a sences of trust and hurt.
During Shakeaspeare time, people actually believed in witches and demons. They were extremely superstitious, and mystical/supernatural beliefs affected their everyday lives. If someone was ill, it was not uncommon to believe that person was cursed, for example. So seeing the supernatural being represented on a stage was especially frightening, which is also why magic and the supernatural are a recurring theme in Shakespeare plays.
Antony asks that they allow him to take the body to the marketplace and, further, that he be allowed to orate at the funeral.
Here are the lines Antony delivers to the Servant (who is to take the news to the conspirators):
Ant.
Post back with speed, and tell him what hath chanc'd: Here is a mourning Rome, a dangerous Rome, No Rome of safety for Octavius yet; Hie hence and tell him so. Yet, stay awhile; Thou shalt not back till I have borne this corse Into the market-place: there I shall try, In my oration, how the people take the cruel issue of these bloody men; According to the which thou shalt discourse To young Octavius of the state of things. Lend me your hand.
I think you forgot to write your question...