The Brief Sarah Grace Patrick's murder trial has been delayed again after both prosecutors and defense attorneys agreed to postpone proceedings that were set to begin Monday. Defense attorneys say newly uncovered evidence requires more time to review forensic issues, chain of custody records, DFCS documents and testing involving another firearm. Patrick, who has pleaded not guilty, remains jailed without bond as she awaits a new trial date expected by the end of the week. The murder trial of Sarah Grace Patrick, the Georgia teenager accused of fatally shooting her mother and stepfather while they slept, has been delayed once again. What we know: Jury proceedings were scheduled to begin Monday in Carroll County, but both the prosecution and defense agreed to postpone the case. According to Law Crime, a new trial date is expected to be announced by the end of the week. The latest delay comes after Patrick's defense team sought additional time to prepare, arguing that newly surfaced evidence has expanded the scope of the case. PREVIOUS STORY: Sarah Grace Patrick: Defense lawyer asks for continuance Defense Points to New Evidence What they're saying: Defense attorney Shawn Hoover told the court that what initially appeared to be minor issues had snowballed into something bigger. Hoover said the defense needs more time to examine questions surrounding forensic evidence, chain of custody, Department of Family and Children Services (DFCS) records, and the recent testing of another firearm by a law enforcement officer acting on what was described as a hunch. Prosecutors disputed concerns over the firearm, telling the court there was no rogue officer involved and that the weapon tested was not connected to the murder case. They also maintained Georgia's discovery rules allow evidence to be turned over up to 10 days before trial. It remains unclear whether that deadline was ultimately met. Case Background The backstory: Patrick, now 18, was 16 when authorities say she killed her mother, Kristin Brock, 41, and stepfather, James Brock, 45, inside their Carroll County h #fox5atlanta #crimewatchatlanta