That is Lifelight Part 1 by Raconteur
Absolutely adore this elseworld tale (parts 1-3) smile

The next cluechie:
Quote
Lois lifted her head; she hadn't meant him to hear that. Irritation writ
large across her face, she said, "'Damn him.' I said, 'Damn him.'"

"Who? And, why?"

"Superman. Look at all this stuff!" She threw her arms out in an all
encompassing gesture. "I don't know where to begin, and he didn't
tell me..." She trailed off, and returned to burrowing through the filing
cabinets.

"Smallville, Kansas, May 17, 1966," said Clark quietly.


If she had to move heaven and Earth, perhaps come back to haunt Perry and explain the story after they'd killed her, she would do it.

Waking a Miracle by Aria