Lisa Smith is due to appear in court in Dublin this morning.
The 38 year old has been in Garda custody since she arrived on a flight from Turkey on Sunday with her 2 year old daughter..
The former member of the Defence Forces has been questioned in connection with terrorism related offences.
Smith converted to Islam and moved to Syria in 2015 to live under ISIS rule.
She will be charged before the District Court this morning.
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