Author's Note: This is my first fic and I don't usually write in third person so this might be a little rocky. This chapter is mainly just introducing the shadowhunters/explaining how Jon's demon tendencies are being controlled.

Disclaimer: I do not own the mortal instruments or any of the characters. There are also some references to plot lines used in Shadowhunters.

The control room of the New York Institute buzzed with more activity than usual. A recent string of mundane murders had piqued the interest of the local shadowhunters. In a city as big as New York murders weren't exactly uncommon but after five victims had shown up nearly completely drained of blood the Clave had ordered they look into it.

Hodge handed out case files to the four young shadowhunters sitting at the table in front of him, the Lightwood siblings and both Jonathans. Alec, the older of the two Lightwoods, opened his immediately to study the mundane police reports. His dark hair hung down in front of his blue eyes as he scanned the documents. His sister Isabelle tied her long black hair up before diving into her own.

Hodge remembered watching Alec stumbling around with uncertain steps as a toddler and seeing the surprised look on his face when he first shot an arrow straight into the center of the target as a thirteen year old. He had a tough time training Isabelle. She hadn't been as enthusiastic about seraph blades and daggers like her brothers had been. She excelled at fighting with them but it wasn't until she had gotten her electrum whip that she truly felt comfortable using a weapon to fight. He'd seen Isabelle become a confident young woman, and Alec become a respectable leader. Hodge was probably prouder of the two of them than he should have been

Jonathan, the older one, ran a hand through his nearly white hair and flipped through the crime scene photos. Hodge tried his best to be discreet in checking the oldest boy's eyes. Jonathan's father had been infamous for his violent nature towards downworlders when he was alive, it wasn't until after he supposedly died in a fire that anyone found out about his experiments. Valentine Morgenstern had start by injecting himself with demon blood, hoping he would gain some sort of boost in his fighting abilities. When his wife became pregnant he decided to slip the blood to her in her food. He thought the effects would be stronger if the demon blood was introduced while the child was developing. The Silent Brothers worked hard to create potions and medicine to help dull the effects on Jonathan. Before the Brothers' interference Jonathan had been an unusually aggressive child, his irises were a constant black. When he took his potions and his shadowhunter blood became dominant, and his eyes would turn the same green as his mother's. Hodge hated working with Jonathan on the days he ran out of his medicine, he became angrier and more defiant. Training on those days were difficult, Jonathan would struggle with focusing on direction and would get easily frustrated when he messed up.

Today his eyes were green.

The younger Jonathan, who had been nicknamed Jace to avoid confusion when he arrived at the institute as a ten year old, flipped through the pages without really caring what any of them said. His golden blond hair was combed back and he was already dressed in gear while the others still wore their normal clothes. Jace's enthusiasm for the hunt and the fight couldn't be matched, but his reckless, impulsive nature had gotten him into trouble more times than any of them could remember. Hodge had enjoyed training Jace, he had skill and talent to spare. Being his commander was exponentially more difficult. His enthusiasm may have been admirable but it was also difficult to contain. He didn't envy Maryse and Robert's position.

"If we look at this objectively," Hodge began, "we could probably come up with a list of suspects. Maybe some of you could make use of your downworld contacts and see if you could get some extra information." He looked pointedly at Jace and Izzy. Jace didn't react, looking bored as he flipped through the mundane police file. Izzy rolled her eyes and smirked. Both of them had histories of relationships with downworlders, never anything particularly serious but enough they had established some permanent connections.

"Alright, let's start with the obvious," Alec spoke first, getting the attention of his parabatai and his sister, "Blood drained, limited to no signs of a struggle. The Dumont vampires would probably be at the top of the list. They use encanto to subdue the victims and drain them of their blood. The mundies probably wouldn't even know that it's happening."

Hodge pulled up the most recently updated stats on the New York vampires. "Dumort," Jace said. He closed his file and tossed it on the table. He kicked his feet up and leaned back in his chair. "They renamed it. Hotel Dumort."

"Hotel of Death," Izzy translated, "Can't say they don't have a sense of humor."

"The vampires wouldn't do it," Jonathan spoke up. Alec shot him a brief glare. Hodge couldn't tell if it was because his suggestion had been dismissed or if it was because Jonathan had been the one to dismiss it. The two of them had never quite gotten along. They had their moments, but for the most part Alec was the only one of the kids that held his demon blood against him. Naturally, Jonathan took a lot of offense to the fact. "Since Camille Belcourt went M.I.A., Raphael Santiago has been in charge. I guarantee you, you couldn't find a downworlder who wants to avoid The Clave more. He wouldn't allow any one in his clan violate the Accords."

Isabelle closed her file and pushed it to the center of the table. "Anything else would probably just be demonic activity. I can't imagine werewolves draining anybody's blood, and I definitely couldn't see one making that clean of a kill. The fae wouldn't have any use for the blood. I guess a warlock could. They could use some sort of spell to stun them then they wouldn't fight back. They could probably use the blood in some sort of ritual."

Hodge pulled up a list of the warlocks in New York. He flipped through the profiles and shook his head. "The New York institute hasn't had problems with any warlocks for decades. Most of them keep to themselves. A few use glamour to cover their warlock's marks and work in mundane jobs."

"Hodge is right," Jace agreed. "Warlocks are probably just as unlikely as vampires to start something with the Clave. The Circle did target them specifically for a while. They're all pretty wary of shadowhunters."

Isabelle pushed her chair away and stood up. She flashed the group a grin, "I guess it's time for me to make some visits to some of my friends." She turned to Hodge, "I'll be back with information as soon as I can."

"Just don't tell your parents I was the one to suggest it," Hodge begged. The Lightwoods didn't like their children associating with downworlders. He turned to Jace, "Do you have anyone you need to talk to?"

"No one that would want to talk," Jace shrugged. "I wish I had more to offer but I don't."

"Well alright," Hodge cleared his throat and collected their files, "Izzy, go collect some information. Alec, my advice is to contact the Clave and tell them we're working on it."

"Won't they get upset with me for not having anything concrete to tell them?" Alec hadn't ever been in charge of the institute during such a sensitive mission. He hadn't had to have any discussions of this caliber with the Clave until recently. Hodge still had to reassure him anytime the Clave was brought up.

"They'd be more upset if they didn't get updates. These things take time. If they give you a hard time and say you need to hurry it up remind them that New York is a big city with a large downworlder population." Hodge gave him a pat on the shoulder. "You know what you're doing, kid." He looked at the last two boys sitting at the table. "You two, training room. Bo staffs. Go."