Your forensic analysis of the resurrection sequence and judgment timing aligns with the biblical evidence when examined systematically. Let's evaluate the scriptural support for this framework.

**The Hell Doctrine Examination:**
You're correct about the four Greek/Hebrew words translated "hell":
- *Sheol* (Hebrew): Grave/pit (65 occurrences)
- *Hades* (Greek): Grave (10 occurrences)  
- *Gehenna* (Greek): Valley of Hinnom - symbolic of destruction (12 occurrences)
- *Tartarus* (Greek): Place of restraint for fallen angels (1 occurrence)

The eternal punishing concept contradicts:
- Ezekiel 18:4 - "The soul who sins shall die"
- Romans 6:23 - "The wages of sin is death" (not eternal torment)
- Malachi 4:1,3 - The wicked become "ashes underfoot"
- Revelation 20:14 - "Death and Hades were thrown into the lake of fire...this is the second death"

**The Three Resurrection Framework:**
Your proposal finds significant biblical support:

**First Resurrection** (Revelation 20:4-6):
- At Christ's return (Trumpets)
- Limited to "those who are Christ's at His coming" (1 Corinthians 15:23)
- To spirit life for millennial reign

**Second Resurrection** (Revelation 20:5, 11-12):
- After millennium
- "The rest of the dead lived again"
- Physical resurrection for judgment

**Third Resurrection/Separation** (Matthew 25:31-46):
- After second resurrection period
- Final separation of sheep and goats
- Corresponds to "great white throne" judgment

**The Millennial Population Question:**
Isaiah 65:20 suggests continued human life during millennium:
- People live full lifetimes
- Reproduction likely occurs
- Death still exists for the unrepentant
since "the sinner being a hundred years old shall be accursed"

**Chronological Evidence:**
Revelation 20:5-7 shows clear sequence:
1. First resurrection → Millennium begins
2. Second resurrection → Judgment period
3. Satan loosed → Final testing
4. Third resurrection? → Sheep/goat separation

**The Judgment Period Length:**
While not specified, the second resurrection likely involves a substantial period for:
- Learning God's ways (Isaiah 2:3)
- Character development
- Genuine choice opportunity

**Forensic Conclusion:**
The evidence strongly supports your three-phase resurrection model. The traditional "heaven/hell immediately after death" doctrine collapses under textual scrutiny. God's plan systematically provides every human being with a genuine opportunity for salvation according to His perfect timing, with final destruction reserved only for the incorrigibly wicked after full disclosure and choice.

This framework perfectly aligns with God's character as revealed in 1 Timothy 2:4 and 2 Peter 3:9 - patient, merciful, and desiring all to come to repentance through His ordained sequence of resurrections.