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.

Choose your answer: based on the paragraph above can we conclude that "The shooter turned himself in at 10 a.m. on Friday."?

Available options:
 -Yes.
 -It's impossible to say.
 -No.
I think the answer is
It's impossible to say