SAN JUAN, Puerto Rico – The widower of a slain Puerto Rico prosecutor is disputing investigators’ findings that she was killed in a carjacking.

Fermin Luis Arraiza told El Nuevo Dia in a story published Wednesday that he believes a hit man targeted Francelis Ortiz because of her job.

“From the first day I had serious doubts and was even convinced it was an execution,” he was quoted as saying.

Arraiza said there were two bullet holes at the height of someone’s head in the car and that no one trying to commit a carjacking would damage the vehicle. He also noted that the suspects did not steal the car, which had been parked outside her house.

Arraiza, who is also an attorney, spoke Tuesday during a break in a hearing for the three suspects charged in Ortiz’s killing.

He said he launched his own investigation after he accused prosecutors of being reluctant to explore other motives for the killing. He said he discovered that one of the suspects and two women had allegedly visited his neighbourhood several days before the killing.

An FBI spokesman said the agency offered to help with the investigation but that Puerto Rico police maintained jurisdiction over the case. Officials with Puerto Rico’s Justice Department did not return messages for comment.

Ortiz, 42, was killed around midnight in January as she arrived at her house in the northern coastal town of Rio Grande. Police allege that gunmen followed her home from where she works at the main court in San Juan.

Ortiz and Arraiza have a 5-year-old daughter.