Her boyfriend, Javier da Silva, has been arrested by police after he used her debit card to withdraw money from a cash machine. After driving for some time, he abandoned the suitcase in a forest, Da Silva told investigators.
Of note, CBS reported Da Silva being a Venezuelan citizen being in the country illegally after having overstayed his visa.
Law enforcement sources told the Greenwich Time that de Silva is an ex-boyfriend of Reyes.
Da Silva, 24, is a resident of Queens, New York.
Greenwich officials said that authorities examined multiple crime scenes, conducted numerous interviews, analyzed social media posts, and watched hundreds of hours of surveillance footage in the investigation.
The suspect is accused of using an ATM card belonging to Valerie Reyes of New Rochelle, New York, and is also believed to have been involved in her death, police in Greenwich said.
'We are confident that the pursuit of justice for Valerie will be successful and we continue to work with the family to provide closure to this tragedy, ' the police statement said. William F. Sweeney Jr. said in a statement.
He was described as being cooperative during his interview.
Greenwich sits along the New York-Connecticut state border.
Javier da Silva's arrest follows police discovering the ex boyfriend from Queens having fraudulently used Reyes' ATM card in NY the Westchester Journal News reports.
"I'm afraid someone is going to murder me", she recalled her daughter saying. "She didn't mention anything or no one specific". The discovery came after she was reported missing on January 30 by her mother, father and boyfriend, authorities said. "I'm paranoid, mommy. I'm getting anxiety attacks'".
Remarkably, the victim's mother Norma Sanchez said that she had a conversation with her daughter the night before she disappeared.
According to the New York Police Department, Reyes suffered from depression and anxiety.
Her most recent ex wrote on Twitter: "It wasn't me".
When found, the complaint said Reyes was barefoot with an unbuttoned shirt and denim jeans.
Her ex-boyfriend had just moved out, the Journal News reported. Her body was found days later stuffed in a suitcase off a busy road.
William F. Sweeney Jr., head of the FBI's NY office, said federal authorities teamed with police in Greenwich and New Rochelle to "swiftly identify Javier Da Silva, an alleged murderer, and place him behind bars".
The chief medical examiner's office has completed an autopsy but has not yet released the cause and manner of Reyes' death.
Police said tips have been pouring in with leads in her horrific and sudden slaying.