Pete snapped his fingers. “Hank Morton! I bet he’s involved! Remember, he might have let George out the other day. He could have done it so that he could get a look at George’s cage.”

“You’re forgetting George doesn’t have his cage any more,” said Jupe. “Remember Mike told, us they got rid of it, and Jim allowed George to live in their house.”

“What about Olsen and Dobbsie?” Bob asked. “Where do they fit in? They seem to know what they’re looking for, and even where to look for it.”

“Olsen and Dobbsie are definite suspects,” Jupe said firmly. “They could be part of Jim’s gang.”

“Why are they looking in the scrap yard then?” Pete demanded.

“The diamonds could be lost there,” Jupe said. “Remember what the man said — it was like looking for a needle in a haystack.”

Bob flipped through his notes again and read, “ ‘They lost it and we’ll wrap them up when we find it.’ How do you explain that last part, Jupe? It doesn’t sound like they’re working with the Halls.”

Jupe pondered. “I’d forgotten that part. According to that, Olsen and Dobbsie are against Cal Hall and Jim. The term ‘wrap them up’ suggests a threat, to me. Maybe Olsen and Dobbsie broke with the Hall brothers and are now trying to hijack the diamonds. Or perhaps they’re a rival gang with no connection to the Halls.”

“Gosh!” Bob said. “It all sounds complicated. I wonder if Mike knows anything about this.”

“I doubt it,” said Jupe. “And we must be careful not to accuse his Uncle Jim, whom he idolises, or his Uncle Cal, until we’ve made absolutely sure. Agreed?”

Bob and Pete nodded. Jupe got up and stretched.

“All right then. Konrad is waiting for us outside. Perhaps this trip will be the one in which we unravel the mystery at Jungle Land.”

They walked to the exit glumly. They enjoyed solving mysteries, but solving this one seemed to entail making several people unhappy. Jupe bit his lip. He wondered how he would ever break the news to young Mike Hall.

Mike was waiting for The Three Investigators at his house when Konrad dropped them off. He guided them along a trail that served as a short cut to the location of the Jay Eastland movie set. It was a natural jungle setting, a flat clearing bordered by giant trees and thick undergrowth. Large rocks were scattered on the north side at the foot of a short but steep cliff. A ledge jutted out of the cliff a little way above the ground.

The movie set hummed with activity. The work crew was busy setting up cables and tall reflectors for the lights, which were set on huge iron tripods. Eastland was to one side, talking to a group of actors and checking their various positions while a few men pushed the camera into range.

Bob looked at the bustling workers. “Have they started yet?”

Mike shook his head. “It’s been overcast all morning. But the sun’s coming out now and they’ll start shooting any minute. George is in the first scene.”

“Did he have a peaceful night?” Jupe asked. “Or was he nervous again?”

“He slept fine,” Mike said. “He conked right out after Doc Dawson gave him the tranquilliser. A good thing, too, because that panther made a rumpus half the night.”

“Oh, no,” groaned Pete. “Don’t tell me we have another mystery — a nervous panther!”

“I don’t think so, Pete. He just needs to calm down from his trip and adjust to life here.”

“How’s George’s wound, Mike?” asked Bob.

“Just about healed. You can barely even notice where he was cut.”

Mike pointed to the edge of the set. Jim Hall stood alone with the big lion at his side. He saw them and waved them over. The Three Investigators walked up, cautiously watching George. The tawny beast sat quietly, its yellow eyes staring into the distance. Its long tail flicked as Hall rubbed its ears.

“Glad you could make it, boys,” Jim Hall said. “As you can see, George is in great shape today. We’ve rehearsed his scene several times already, and he knows exactly what he’s supposed to do.” He glanced toward the busy producer-director. “I hope Eastland gets going soon while George is still nice and relaxed.”

The big lion yawned, exposing long ivory teeth. A dull rumbling sound came from its throat.

As The Three Investigators looked up apprehensively, Jim Hall smiled. “He’s purring, boys. That’s a good sign. It means George is in a happy mood.” He looked impatiently toward Eastland. “Come on, let’s go,” he muttered.

The fat producer moved across the set towards the cliff, giving instructions in a loud fretful, voice. “Over here with the camera,” he ordered.

Eastland looked at a sheaf of notes. “We’ll need to be on our toes for this scene. It’s a quickie but we want to get it right the first time, understand?”

“No retakes makes it cheaper,” Pete whispered in Jupe’s ear.

Eastland waved an actress and an actor over. “Miss Stone, you and Rock Randall stand here.” He pointed below the overhanging ledge. “The lion will be up on the ledge, looking down. You two will have a scuffle. When Randall has his back to the ledge, the lion jumps on him. Is that clear? Any questions, Sue? No? You, Rock? All right, then.”

Eastland turned to the cameraman. “You hold on the scene as George jumps. Randall will try to fight him off, and they’ll wrestle a few feet. Then Randall slumps to the ground, the lion paws him, and it’s all over.

“We cut then to the next scene, which gives Hall a chance to come in and get his lion calmed down while we prepare the next setup with Sue. Hopefully, there won’t be any trouble.”

Jim Hall flushed. “George understands what he’s to do, Eastland. Just make sure Randall slumps to the ground and doesn’t try to get up. If he does, George will knock him down again. There won’t be any accidents.”

The producer nodded with a smirk. “We all hope not.” He turned to the actor. “I hope you’ve kept up your insurance policies, Rock.”

The actor looked pale and frightened. “Come on, Jay. Cut the comedy.”

He moved nervously away and lit a cigarette.

“Rock Randall looks awfully anxious,” Jupe whispered to his friends. “And Eastland isn’t helping him any by suggesting he can’t trust George.”

Pete looked at the big lion sitting placidly near its owner. “I don’t blame Randall for looking nervous,” he said. “How can you expect to be jumped by a big lion and not be nervous?”

“But he’s trained,” Mike said. “George won’t hurt anybody. He’ll only be pretending.”

“I thought Rock Randall was in a fight yesterday,” said Bob. “He doesn’t look it.”

“Make-up,” said Pete knowledgeably.

Eastland walked across to the actress. “We’ll shoot your scene with George right after that one, Sue. You’ll be asleep in your tent. George pokes his head in the opening and goes in. He’s just curious but you see him and wake up and scream. He opens his mouth and roars. That’s it. Okay? You don’t do anything silly like jumping out and hitting him. You just sit up, pull the covers up, and scream. You got it?”

The actress put her hand to her throat. “I’ve never worked with a lion before, Mr. Eastland. Are you sure he’s safe?”

Eastland smiled. He took a folded paper from his pocket and waved it. “That’s what Jim Hall, his owner and trainer, says. I’ve got the guarantee down here in black and white.”

The actress turned away, visibly upset.

Pete touched Jupe’s shoulder and glanced away. Following his gaze Jupe saw the hatchet-faced man looking on from the edge of the set. He leaned forward to Mike. “That man over there, Mike — do you know him?”

“The thin-faced man — yeah — his name is Dunlop. He does some kind of work for Mr. Eastland.”

“Dunlop? Are you sure? Not Olsen?”

“It’s Dunlop, all right. I’ve heard Eastland calling him that. I think he’s some kind of technical expert on firearms.”

Jupe glanced at Pete and Bob to see if they had overheard. They nodded. The man now identified as Dunlop walked casually away without looking back. Jupe frowned. He remembered that the night before the hatchet-faced man had threatened to return to The Jones Salvage Yard. Learning he was an expert on firearms made Jupe even less happy about it.