What are doctors in the us vs the uk paid from?

Earnings also vary by region. Average physician income ranges from $253,000 in the Northeast to $281,000 in the Northwest. Certain regions of the country may have to pay more to attract doctors, so physician salaries often reflect the level of competition more than the cost of living

How much do doctors get paid in the UK?

Consultants in England earn from £60,000 to more than £100,000, while salaried GPs earn from about £55,000 to £80,000 or more (Pay for doctors -  How much do doctors earn in USA per month?

Earnings also vary by region. Average physician income ranges from $253,000 in the Northeast to $281,000 in the Northwest. Certain regions of the country may have to pay more to attract doctors, so physician salaries often reflect the level of competition more than the cost of living.                                      

when comparing the cases, what similarities are there in the cases that suggest one person committed these murders?