Japanese Ship Sailor Murder Mystery

A Japanese ship was sailing in the open sea. Gogo the sailor was found murdered in the shower. After some analysis the captain found 5 crew members who could have done it. The captain called the five suspected crew members and asked each one where and what he was doing for the last 15 minutes.

The Filipino cook in an overcoat said,
"I was in cold storage getting the meat"

The Indian Engineer with a torch in hand said,
"I was repairing the spare generator engine"

The Sri Lankan seaman said, 
"I was on the mast (top of the ship) correcting 
the flag which was upside down by mistake"

The British radio officer said, "I was messaging the company that 
we are reaching the next port in 72 hours. 
From now that is Wednesday morning at 10 AM."

The captain caught the thief who had lied. So who was the murderer?

• Filipino cook i
• The British radio officer
• The Indian Engineer
• The Sri Lankan seaman

The Sri Lankan seaman.