Pregnant Teen Stabbed To Death

A woman was found dead in her burnt-out flat, with her dog beside her. A postmortem revealed she was stabbed before the fire. Police suspect the killer was known to her and set the fire to destroy evidence. The community is shocked, and police believe the answer lies locally. The victim was close to giving birth, and 50 officers are investigating. Friends are puzzled by the attack, describing her as a potential model and mother. The investigation continues in South Wales.

What did friends say about the victim's character?

How many police officers are involved in the investigation?