A senior investigating officer in the case for West Midlands Police said they are disappointed with the length of the sentences.
Detective Inspector Sharon Naughton said they had been expecting longer.
More top news
Slowly brightening up later in the day, with some warm sunny spells possible by evening.
Any mist and low cloud will clear during the morning, leaving bright or sunny spells.
Beginning grey and murky again with extensive low cloud and some patchy rain.