People say the muggers are very dangerous.
It is said the muggers are very dangerous / The muggers are said to be very dangerous.
People think the murderer is a woman.
It is thought that the murderer is a woman.
Lawyers expect that the trial will last three weeks.
The trial is expected to last three weeks.
Police believe that the burglar is a local man.
It is believed that the burglar is a local man / The burglar is believed to be a local man
The police thinks the robber entered through an open window.
It is thought that the robber entered through an open window.