A 59-year-old marketing manager of Oasis Gardens in Endeavour, Chaguanas has been found hacked to death in his home.
The discovery was made on Wednesday night.
The deceased has been identified as Stephen Sookhan. Police said his throat was slit and the motive was determined to be robbery.
Investigators say a Venezuelan national is currently in police custody in connection with the incident.
According to a police report, at around 10:50 pm on Wednesday, the wife of a neighbour called her husband who is a police officer indicating that she was hearing a loud banging noise coming from Sookhan's house.
He arrived at 11 pm and reportedly saw a man of Spanish descent, slim built, about six feet tall, dressed in long blue pants and bareback, stooping in a dark area under a mango tree in the front yard of Sookhan's home.
The neighbour announced himself as police to the man by showing his Trinidad and Tobago Police Service identification and badge.
The officer also noticed the front door of Sookhan's home open. He entered and found Sookhan lying motionless, face up, with feet bound and injuries to the head in a bedroom.
A 21-year-old Venezuelan man also of Oasis Greens, Endeavour, Chaguanas was arrested and taken to the Chaguanas Police Station.
Enquiries are ongoing.