Son’s words: “Sounds of hammer and chisel heard.”

The son of Francisca Cadenas reported hearing tools the night she disappeared. He said it was possible she is still alive. Investigators are looking into his statement.
The son of Francisca Cadenas gave a key statement to police. He said he heard sounds of a hammer and chisel around the time his mother vanished. He did not know when she died. He also said it was possible his mother and her partner were involved. Police are now considering this information as part of the investigation.
Summarized from the sources above. Read the originals for the full story.
Highlights
Son's Hearing Report
The son heard hammering and chiseling sounds the night of his mother's disappearance.
Time of Death Unclear
The investigation does not know when Francisca Cadenas died.
No Party Involved
The investigation does not know who was involved.
Testimony Under Review
The son's statement is part of the investigation.
Cadenas Vanishes
Francisca Cadenas is missing and under investigation.