T'Challa shrugged. "Well we've tried tracing the broadcasts, of course. But that has gotten us nowhere. They blink into existence out of thin air, literally. They bleed into the upper atmosphere from some other reality, but leave no traces behind we can track back to their source." He paced, placing his hand over his mouth as he thought. "We need raw data we can use, anything we can collect on this alternate dimension."
He raised a finger "He seems to have targeted certain individuals. On at least one occasion, the same participant has been brought back more than once. If we could distribute sensor devices to likely targets, they could surreptitiously collect data while the bearers performed his bizarre challenges. Upon returning, the devices would remotely upload and we'd have something to work with. A window into this 'Mojoverse' if you will..."