( CNN ) -- Authorities say a Maryland woman suffocated her two kids , 1 and 3 years old , and then told a relative what she 'd done . Prince George 's County police accused 24-year-old Sonya Katarina Spoon of suffocating 1-year-old Ayden Spoon and 3-year-old Kayla Thompson over the weekend . The children died at a hospital , authorities say . Police say they found plastic bags near both of the kids . Spoon gave police a detailed statement on how the children died , according to police . She is charged with two counts of first-degree murder and is being held without bail pending a court appearance , according to authorities . Spoon has been dealing with a stressful custody issue and has been `` under extreme psychological and mental distress , '' said her mother , Paivi Spoon . Arizona mother admits to killing daughter , poisoning other kids , police say . S.C. mother pleads guilty to murder of 2 sons .
The mother is accused of suffocating her two children , aged 2 and 3 . Police found plastic bags near the kids ' bodies . Their mother , Mrs Katarina Spoon , is in custody , police say . Spoon has been in extreme ` ` mental distress , '' the suspect 's mother says .