Chapter 4 - Shadow of the Past

Room 402 was dark, lit only by the steady green pulse of a heart monitor. Clara lay in the center of the bed, looking impossibly small among the tangled sheets and IV tubes. Her lips were cracked, her skin gray, and her breathing was slow and raspy.
"Mommy," Lily sobbed, running to the edge of the bed. She was careful not to touch the wires, settling for holding Clara's limp, cold pinky finger.
I rushed to the opposite side, taking Clara's hand in both of mine. "Clara? Can you hear me?"
Her eyelids fluttered, but she couldn't open them completely. A low groaning sound escaped her throat.
Dr. Sterling walked in behind us, holding a printout of the preliminary lab results. His face was grave. "You were right, Mr. Vance. We found high concentrations of a cardiac glycoside—a toxin commonly derived from Foxglove or digitalis plants—alongside traces of heavy sedatives in her blood work. It wasn't an overdose of her prescribed medication. It was deliberate administration."
"Foxglove..." I whispered. Then it hit me. Marlene's prized garden. She grew acres of rare, toxic flora at her estate outside the city. She always boasted about her botany knowledge at family dinners.
"We've administered the antitoxin," Sterling said, his tone entirely changed. "She will survive, Ethan. But her heart took a heavy hit. Another few hours without proper treatment, and..." He didn't finish the sentence. He didn't need to.
"Why?" I asked, looking down at Clara's pale face. "Why would a mother do this to her own daughter?"
"Because Clara was finally going to tell you the truth," a voice said from the doorway.
I turned quickly. Standing there was Detective Marcus Miller, a middle-aged investigator with tired eyes and a heavy trench coat. Two uniformed officers stood behind him.
"Mr. Vance?" Miller asked, stepping into the room and showing his badge. "The precinct received your call, but we also received a tip-off from the state bureau an hour ago. We've been looking into Marlene Whitaker for six months."
"Six months?" I demanded. "For what?"
"Financial fraud, grand larceny, and the suspicious death of her husband eight years ago," Miller revealed, pulling a thick folder from under his arm. "Arthur Whitaker didn't die of a sudden heart attack, Mr. Vance. He died of sudden organ failure right after he threatened to remove Marlene from his multi-million dollar estate and transfer everything to Clara."
I felt the air leave my lungs. "Arthur... Marlene killed her husband?"
"We suspected it, but the evidence was buried deep," Miller explained. "Clara found her father's old ledgers last month tucked away in Marlene's attic. She realized her mother had been embezzling money from Arthur's trust fund and had forged his signature on his altered will. Clara confronted Marlene last night. She threatened to go to the District Attorney today."
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Pieces of a horrific puzzle began falling into place. The sudden visits, Marlene's insistence on coming over early, her desperate attempts to keep Clara isolated, and finally, the horrifying scene in Lily's bedroom.
Marlene hadn't just been trying to protect a family secret. She was eliminating the only witness who could send her to prison for the rest of her life.