Well, here it is! The answer! And Chapter 5. The winners are: No one wins! Nobody told me who it was, E-Mail or otherwise.

Chapter Five: Who is he?

How could that be? I killed him! said Sam.

I know. But you forget, Goa'uld can jump hosts. You definitely killed the host. But the symbiote may well have survived, replied Nephthys.

Great. We've got a dead guy on the loose.

He could be just about anyone, too. Especially if he has a masking chemical.

"Why would she give proof that she did it?" asked General Hammond. "It just doesn't fit together."

"Maybe she didn't," said Daniel. "Maybe she's being framed."

"By who?" asked Jack.

"Another Goa'uld perhaps?"

"What Goa'uld could be on Earth excepting Nepthys?" asked Teal'c.

There was a stunned silence.

"It can't be," whispered Jack.

"What?" asked Hammond.

"It seems pretty likely," said Daniel.

"What?" asked Hammond again.

"We were all there!" said Jack.

"I've said 'What' twice. I don't want to say it a third time."

"Seth," said Jack and Daniel in unison.

"I thought you all saw him die," said Hammond, confused.

"We saw the host die. The Goa'uld may have slipped," said Daniel.

"If Seth were inside of the SGC, my symbiote would have detected him. Nephthys would have as well," said Teal'c.

"Unless Seth had a masking chemical so you two wouldn't detect him!" yelled Daniel, earning stares. "Sorry," he said quickly.

"Great. So he could be just about anybody," said Jack. "This day just keeps getting better and better."

An airman came running in. "Sir," he said.

Hammond nodded. "Siler's out cold. And he's got a scar on his neck."

The blood tests for Siler showed Naquadah, but the MRI and ultrasound came back clean.

"Looks like Seth had Siler as a host, but has left him now," said Jack.

"Siler was always the first one to spot the devices. That can't be a coincidence," stated Hammond.

"Well, Siler's not the Goa'uld now, so who is?" said Jack.

"No one is above suspicion in this scenario. Not even me," said Hammond.

Any ideas who it is now? I hope you do because I don't. Yet. What's going to happen? Tune in tommorrow, same Gate time, same Gate channel.

As, with before, E-MAIL me to tell me who you think it is. If you're right it will spoil the surprise for everyone else. E-MAIL it to me, not REVIEW! E-MAIL who you think it is to me.