Read the following premise and answer if the hypothesis is true.
A former police officer is in custody after police say he shot and killed his 55-year-old wife during an argument at their home on the Ionian island of Corfu. The incident occurred shortly after 8 a.m. Friday in the area of Lefkimmi, on the island’s southeastern coast. The shooter, believed to be around 60 years old, turned himself in to the local police station after the incident.
Hypothesis: The officer was guilty. Is the answer "Yes", "No", or "It's impossible to say"? Respond with only the answer and no additional text.
It's impossible to say
It's impossible to say. The hypothesis is based on the premise, but the premise only reports that the officer is in custody and is