<div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>A teenager is in custody accused of making threats towards Adelaide's largest public school and two of South Australia's most popular public events.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The arrest of the 19-year-old, whose identity is under a secrecy order, follows a careful large-scale operation involving both state and federal authorities.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The Australian Federal Police and detectives from South Australia's major crime branch stormed inside a home on a suburban street yesterday afternoon.</span></div></div><div><div id="adspot-mobile-medium"></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><strong><span>READ MORE:</span></strong><span> </span><a href="https://www.9news.com.au/national/city-of-sydney-council-blocks-new-maccas-in-redfern/6dca88c7-da33-467a-81f0-5ba622c3f09a"><strong><span>Council blocks new McDonald's in inner Sydney after local uproar</span></strong></a><span></span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The man was taken into custody before police began a forensic examination of the property that continued throughout today.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Concerned neighbours watched on as police carried out the high-stakes raid.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>"I'm a bit shocked. To me this is a safe area," one resident said.</span></div></div><div><div class="OUTBRAIN" data-reactroot="" data-src="//www.9news.com.au/national/adelaide-teenager-charged-over-alleged-threats-towards-public-school-two-popular-events/10eedeb7-3e20-4e0f-b5d6-5a7e031f797e" data-widget-id="AR_5"></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><strong><span>READ MORE:</span></strong><span> </span><a href="https://www.9news.com.au/national/explainer-why-are-there-so-many-banknotes-in-australia-when-hardly-any-of-us-are-using-them/fa613ea9-0758-4961-b60a-785c478356fe" rel="" target="" title="Why are there so many banknotes, when hardly any of us are using cash?"><strong><span>Why are there so many banknotes, when hardly any of us are using cash?</span></strong></a></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>"I walk past here every day and it's very quiet, so I never imagined such a thing happening."</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The teenager fronted court this afternoon charged with blackmail and contaminating goods. </span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>9News heard allegations the teenager had been threatening to build bombs that could kill and had plans for AFL Gather Round and this year's Adelaide Fringe Festival.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The other alleged target was Glenunga International High School, known as the state's largest and best performing public school.   </span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>In February, 9News reported on anonymous threats made via email towards the principal.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Police began investigating immediately and worked with the school to ensure there were extra security measures to keep staff and students safe. </span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><strong><span>READ MORE:</span></strong><span> </span><a href="https://www.9news.com.au/national/weather-news-rain-storms-forecast-for-eastern-australia-through-to-weekend/2c0b8720-f071-4ad7-88d3-e760e2994481"><strong><span>Millions set for major soaking that will last all weekend</span></strong></a><span></span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Other alleged threats included the use of suicide vests, the use of a big car to carry out an attack and experimentation with placing lead in food.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>It is believed that allegation is linked to the contaminating goods charge, while one of the blackmail charges relates to an alleged demand for $23 million in cash and Bitcoin.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>During the first court hearing, the teenager applied for bail but police prosecutors were opposed to his freedom being granted in any form due to the seriousness of the allegations.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Prosecutors told the court the accused was highly skilled with computers and he has been known to hack into computer systems.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>Their fear is if he were to be released he may destroy evidence.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The teenager, who appeared in court via video link, did not talk or react during the hearing which lasted about an hour.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>His lawyer told the court the man denies the allegations and they will be contesting the charges.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><span>The teenager's bail was refused and he will remain in custody until at least December.</span></div></div><div class="block-content"><div class="styles__Container-sc-1ylecsg-0 goULFa"><a href="https://www.9news.com.au/national/how-to-follow-9news-digital/29855bb1-ad3d-4c38-bc25-3cb52af1216f" target="_blank"><strong><em><span>DOWNLOAD THE 9NEWS APP</span></em></strong></a><strong><em><span>: Stay across all the latest in breaking news, sport, politics and the weather via our news app and get notifications sent straight to your smartphone. 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