Jaded Evidence interactive investigation · WATCH-248
Liyanna Bautista Familia / Dayanna Familia
Dorchester / Boston, Massachusetts · Evidence-first case file
Current status: Dayanna Familia pleaded not guilty to manslaughter and related charges; held on $250,000 bail; return date reported for November 20 · Updated October 31, 2026
Evidence key and legal standard
VerifiedAllegationReportedUnresolved
Charges and investigative allegations are not findings of guilt. Medical classifications, testimony, advocacy and adjudicated outcomes are identified separately.
01 | Case overview and current legal status
Dayanna Familia pleaded not guilty to manslaughter and related charges; held on $250,000 bail; return date reported for November 20.
Courthouse, judge and attorneys
Dorchester District Court, Massachusetts. The complete judge, prosecutor and defense-attorney roster was not established in the reviewed sources.
02 | Victim background
Liyanna Bautista Familia, 4, was identified in court reporting as the child who died after acute fentanyl intoxication.
03 | People and documented roles
Documented role 1
Liyanna Bautista Familia — victim.
Documented role 2
Dayanna Familia, 35 — accused mother; pleaded not guilty.
Documented role 3
Boston Police Homicide Unit — investigating agency.
Documented role 4
Suffolk County prosecutors — prosecution described in arraignment reporting.
04 | Interactive chronological timeline
Select an event to expand its detail.
August 17, 2026, about 8:51 p.m.
Boston police responded to the 200 block of Fuller Street and found the child unresponsive.
Boston police responded to the 200 block of Fuller Street and found the child unresponsive.
August 17, 2026
Officers performed CPR; the child was transported and later pronounced dead.
Officers performed CPR; the child was transported and later pronounced dead.
Post-mortem examination
Authorities determined acute fentanyl intoxication caused the death.
Authorities determined acute fentanyl intoxication caused the death.
October 24, 2026, about 10:25 a.m.
The Boston Police Fugitive Unit arrested Familia in Dedham on an outstanding warrant.
The Boston Police Fugitive Unit arrested Familia in Dedham on an outstanding warrant.
October 26, 2026
Familia pleaded not guilty and was ordered held on $250,000 bail.
Familia pleaded not guilty and was ordered held on $250,000 bail.
November 20, 2026
Reported next court date.
Reported next court date.
05 | Investigation and evidence
Evidence file 1
Post-mortem toxicology and autopsy findings.
Evidence file 2
Police body-camera video described at arraignment.
Evidence file 3
White powder and fentanyl reportedly recovered during searches.
Evidence file 4
Statements to EMS and police.
Evidence file 5
Evidence-destruction and misleading-investigator allegations.
06 | Prosecution and defense theories
Prosecution or investigative position
Prosecutors allege Familia knew fentanyl likely caused the emergency, gave responders a different explanation and attempted to conceal or destroy suspected fentanyl while the child was being treated.
Defense position or evidentiary limitation
Familia pleaded not guilty. At arraignment, defense counsel sought $10,000 bail and argued the higher amount would be beyond the family’s means and that she was not a flight risk.
07 | Trial testimony and courtroom developments
The court set bail at $250,000 and a November 20 return date. No trial testimony has occurred.
Known witnesses and exhibits
No witness is described as scheduled to testify and no item is described as an admitted exhibit without a filed list, transcript or documented proceeding. Verified additions will be placed here chronologically.
08 | Verdict, sentencing and appeals
No verdict or sentence.
09 | Unresolved questions
- How was the child exposed to fentanyl?
- What do toxicology, search records and body-camera evidence establish?
- What conduct supports each evidence-related count?
- Were other children present or subject to child-protection review?
10 | Court records and source documents
- Boston Police Department — official arrest announcement
- NBC Boston — arraignment, plea, bail and next date
Jaded Evidence distinguishes official findings from allegations and reported accounts. Primary court records will replace secondary descriptions when obtained.